April O'Neil (2012 TV series)

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April O'Neil
Biographical information

New York City

Date of birth

November 28th, 1995


Natural Sensitivity to Universal Vibrations (sixth sense)
Ranged Telepathy
Ninjutsu Skills
Immunity to Mutagen

Weapon(s) of choice





Ninja Turtles

Physical description

Human-Kraang Mutant





Out of universe information

2012 series

First appearance

Rise of the Turtles, Part 1

Voiced by

Mae Whitman

Teachers and Students

Hamato Yoshi


" April, it seems you have a rare gift: A Sensitivity I have trained my entire life to develop...


April O'Neil is an ally and friend to the Teenage Mutant Ninja Turtles.


April met the Turtles when she and her father (Kirby O'Neil) were attacked by the Kraang. She was afraid of the mutants at first, but started to trust them thanks to Donatello. The group was unable to fight effectively as a team, which resulted with the Kraang succeeding in kidnapping April and her father. While she was trapped in their hideout, April tried to trick the Kraang into letting her escape, but her plan failed. Later the Turtles came to her rescue. Eventually, they succeeded in saving April, but the Kraang got away with her father. Later, the Turtles met April at her aunt's apartment, where she would now be staying. April was safe, but upset over the loss of her father and determined to find him. The Turtles promised to help her get him back. Since then April has become good friends with the Turtles and cooperated with them on various missions.

New Friend, Old Enemy

She shows Michelangelo how to use the Internet to make friends online.


April reveals that she's set up an online message board "to collect unusual sightings around New York... People send in pics, videos...", amongst which she also gets stuff that might be able to help in her endeavor to find and save her father from the Kraang: She also played a very active role by infiltrating a Kraang hideout and learning their plans to put mutagen in the city's water supply. She was also able to defeat one of their guards on her own, and escape to inform the Turtles of the enemy plans.

Monkey Brains

April has begun training with Splinter in the ways of the ninja. While she is not on the level of the Turtles in terms of fighting skills, she has shown improvement in matters of stealth and spying.

Panic in the Sewers

She refuses to let the turtles give up, and volunteers to spy on Shredder to find out his plan. At first, everyone rejects, but seeing they have no other way, they allow her to do it. She finds out Shredder's plan: To destroy the sewers with chlorosulfonic acid. After getting out of the building, April says she's going to hitch a ride and see where they go, but Leonardo objects. Because of Dogpound's acute hearing, he hears them over the phone and captures April. Later on, after Raph and Donnie stop Fong and the Foot Clan, she kicks the door of the van open, knocking him out.

Mousers Attack!

April's phone is stolen by some Purple dragons as part of The Foot's scheme to locate Splinter. Her phone is later replaced with a "T-Phone".


April has found out that the Kraang are really after her, not her father. The reason for this is still unknown.

Baxter's Gambit

April asks Splinter to find her a weapon. After trying out several different weapons ending in horrible failures, Splinter settles on giving her a tessen that he had hoped to give to his long lost daughter. It looks like an ordinary fan, but it is in fact made of metal and has a razor-sharp edge.

Karai's Vendetta

She becomes a target for the Foot Clan. Karai, dressed in casual clothing, comes up to her, and quickly befriends her. However, April realizes who she is, and tries to run, aided by Mr. Murakami. However, while being good at running away, she is cornered, and pulls out her tessen. Karai compliments the weapon, yet quickly disarms April and utterly overpowers her. April keeps getting back up and fights back, but Karai toys with her and severely injures her. Karai questions what makes her so special, trapping her in an arm lock, and April angrily proclaims what has changed, including the death of her mother. This touches a nerve in Karai, lowering her guard and allowing April to send her tumbling down a subway staircase, and allowing her to escape. Despite her escape, Splinter states she should stay in the sewer temporarily. With the Foot now after her, along with the Kraang and likely thanks to her very narrow escape, she is unsafe out in the open. She reluctantly accepts, wanting the enemies of the turtles defeated so she can return to her normal life.

Operation: Break Out

She hear something down in the sewer tunnel while training with Splinter. She pursue the sound discovers that it was a communicate device that The Kraang use to communicate and brought it back to the lair. Splinter is interested in how April could hear something that he couldn't. April says that it could be the reason that The Kraang need her.

Booyaka-Showdown, Part 1

She helps Donnie decode the alien communication orb and find out what the Kraang are planning. When the turtles leave the lair to go and stop the Kraang as well as save the world, April asks Splinter why he isn't going with them, to which he responses by saying that it is his job as a teacher to prepare them for the challenges that they face. She then counters that with the fate of the world and survival of the human race in the balance, he should help. He then angrily resorts that he doesn't have to explain himself to a child and storms out which upsets April a little. She is then approached by her father [Kirby O'Neil] in the lair, who asks where everybody is. April then explains that the turtles are on their way to the TCRI building. Kirby then informs her that the Kraang know the Turtles are coming and their plan for they have cracked the T-Phone's Encryption. He then convinces her that they must go find and warn the Turtles in person. As they leave, Splinter warns her that is very dangerous for her to be on the surface, to which she coldly replies by saying that unlike him, she can't just sit around and do nothing. As April and father walk through the sewers, she realizes that it isn't the way to the TCRI building. Suddenly, two foot clan ninjas appear and grab April. When she is secured, Karai appears referring to her as princess and if she remembered her to which April replies by saying that she did and she forget to give her something before she knees Karai in the stomach. Karai then compliments her father by saying you've done well. Karai then orders a brainwashed Kirby O'Neil to take a message to Splinter. April then finds out that he's been brainwashed. he then goes back to the lair with two mousers, ignoring April's cries for help. splinter leaves the lair and goes to rescue April himself. He makes his way to the headquarters of the foot clan and decimates a large squad of ninjas and enters the throne room. He then fights and defeats the mutants [Dogpound and Fishface] and rushes to April to free her only to discover that she's another mouser hologram. The Shredder then reveals that he used April as bait to lure splinter out and now that he has, he had no use of April, so he handed her over to the Kraang, who need her for their plans.     

Booyaka-Showdown, Part 2

April awakens and finds herself aboard the massive Kraang warship known as the Technodrome. She then sees the gigantic form of Kraang prime who's starring down at her. It then explains that her mental energy is uniquely attuned to this universe and once Kraang prime gains this ability, it will use it to transform the earth into a world for Kraang [wiping out mankind and all other life on the planet in the process]. A swarm of electodes then converge on April and all goes black [April is heard screaming in the process]. The Turtles then come to April's rescue by sneaking aboard one of the capture pods that the Kraang are using to abduct people and animals and are brought to the technodrome. They hear her scream, but before they can get to her, they are set upon by dozens of Kraang. Within Kraang prime's chamber, April has been fitted with a terrifying-like helmet device that is siphoning her mental energies and transferring them to Kraang Prime. As Kraang Prime starts to use the energies to start the planet-wide mutation of earth, the turtles busts in, having battled their way here. While Raph distracts Kraang prime by kicking it right between the eyes, Donnie frees April, shutting down the mutation machine with her saying you're my hero, causing Donnie to blush. They then move to escape, but Kraang Prime pulls itself from the wall and pursues them all in it's gigantic robot body. April and the turtles escape the ship with Kraang Prime close behind them all. Leo then stays behind and fights Kraang Prime himself so April and his brothers can escape in the last escape pod aboard the ship. The escape pod jettisons into the sea followed shortly by the Technodrome itself, which sinks to the bottom of the ocean. April and the turtles then mourn over the loss of their brother until it is revealed that he managed to escape at the last moment. As the five celebrate their victory, the other pods with the abducted people surface as well. Back at the lair, as the Turtles continue to celebrate, April walks to a quiet Splinter and apologizes for her words earlier. He then tells her that there is no need for she spoke from her heart. Leo then comes over and asks him if something's troubling him. Splinter then replies by saying that he has learned something from Shredder but the revealing of those things is for another time. The Turtles and April continue to celebrate their victory with a dance party. However, unknown to them all, at the bottom of the ocean where the Technodrome lays, it slowly begins to light up and reactivate, indicating that the Technodrome and Kraang will indeed return.

The Mutation Situation

April was nearly saved by her father from a mutagen canister falling from the sky. Unfortunately, her father came in contact with the mutagen, and then comes in contact with bats, causing him to mutate into a humanoid bat. When the Turtles capture him, they tell April they will save her father, but Michelangelo opens his big mouth by saying it was all their fault. April becomes extremely angered, and says she does not want to see the Turtles again.

Mutagen Man Unleashed

She becomes the target for Timothy. Donnie talks about her while working on a cure for him and her father, and being lonely makes him go after her to be her friend. She tutors Casey Jones in trigometry and when Timothy finds them, they fend for themselves. She is still angry with the turtles and tries to avoid them contently, but still cares about them seeing as she distracts Casey so he wouldn't spot the turtles.

Target: April O'Neil

Karai tries to hunt April down again. The Kraang also try to recapture her with their latest weapon Chrome Dome (2012 TV series). Her friendship with the turtles is rekindled after they save her from both Karai and the Kraang.

The Good, The Bad, and Casey Jones

She first appears at Roosevelt High School walking with her friend Irma to class. they then find and talk to Casey [who has scars on his face from his battle with ralph]. She introduces Casey to the turtles after he sneaks into their lair. She also helps fight off and defeat the Foot-Bots who invade the lair and attack them.

The Kraang Conspiracy

When the Kraang need April's DNA to perfect their mutagen, they kidnap her and plan to extract some of her DNA. Later in the episode, the Turtles have to save her from them while dealing with April Derp and April clones. In order to escape, April actually finds a way to use her alien "powers" in order to flee from their grasp. Later back in the lair, Donnie examines her DNA and reveals to everyone [including April herself] that she's actually a half-Human/half/Kraang mutant hybrid which shocks her completely.

Fungus Humungous

April is sprayed by the fungus and spends the episode running a round the sewers. She believes that her dad (Kirby bat, or Wingnut) is trying to eat her.

Of Rats and Men

The episode begins with her along with Casey and Irma walking on the streets of the city after a tutoring session and getting some gluten-free pizza [which Irma questions]. while walking, a rat goes running through the streets which surprises and scares Casey instantly. Irma then Questions why someone like him would be afraid of small and harmless rodent. suddenly a cat [who was chasing the rat] appears and April immediately takes a liking to it. She then decides to take it home [after seeing that it doesn't have a tag which makes it a alley cat]. However as the trio continue to walk, something is watching them from behind. April, the cat and Casey then leave on his bike and say goodbye to Irma; which makes her question where there always running off to and that she's bound to find out eventually. suddenly the thing that was watching her emerges from it's hiding place and appears behind her. she then turns around and begins to scream in horror as it begins to attack her. they then go to the lair and enter Donnie's lab where he is [as he continues to work on the Retro-Mutagen] and Mikey [who was eating ice-cream until a large scoop of it fell into a jar of the solution and managed to cover it up]. she then asks them if they can look after the cat who Mikey also takes an instant liking to. As the three of them talk, Mikey places the cat on the table where it runs amok and ends up licking the jar [full of mutagen and ice-cream]. the then cat mutates and becomes Ice Cream Kitty. Mikey then manages to sneak her out of the room without the others noticing. April is then seen in the kitchen hanging out with everyone. Suddenly Splinter [who has had visions from Victor Falco a.k.a. The Rat King recently] walks in looking for some ice for his headache. He is then denied access to the freezer by Mikey [who has hidden Ice Cream Kitty in there]. This causes Splinter to become increasingly mad and he begins to attack the others[ while being under The Rat King's control]. they manage to hold him down but he breaks free and informs them all [who are all shocked] that he will soon take over the city and then the world. He then calms down and informs them all about the Rat King's return. In the sewers, She along with everyone else watches the current news report about the gigantic rodents [who are invading the city while causing total chaos and destruction]. they try to convince Splinter [who makes some explicit warnings] about helping them deal with the chaos above but he refuses [knowing the rat king can easily take control of him]. They then head up in the Patrol Buggy while the others show up in other vehicles as they try to fight off the rodents and lead them away from the populace. the plan mostly works as the rats begin to follow them all; However they manage to turn over one of the vehicles and catch Casey off-guard who they then capture and drag back into the sewers. April tries to help him but fails which leaves her in grief. They all then return back to the lair to Splinter [who reveals that the rat king who peered into his mind to learn as much as he could about his mutation so he can mutate the people he has captured into rat people which he will use as his army for world conquest. the team then state that they must stop him, but splinter [who cares about all of their safety] states that he's grown to powerful for all of them to defeat. they try to reason with him but he commands them to stop. April then tells him that she's believes in him and what he's capable [while mentioning that Casey's life is in danger as well] hoping Splinter will have a change of heart but unfortunately it does not work. the team then gear up and prepare to find the hideout. Quietly, She and the turtles find and enter his hideout; unexpectedly, they are surprised and happy when their sensei had come along as well, despite his statements earlier. she then goes looking for a lever to release everyone while the turtles stay hidden [for they cannot be seen]. she then finds one and succeeds in freeing Casey and Irma [who begins to talk about rodent facts to which they both reply to by saying "not now Irma"]. the trio then find more levers and being to release all of the captured humans. She along with Casey and Irma then help lead everyone out of the area as fast as possible. after they do so, they encounter another rodent who Casey [who decides to put his fear behind him] manages to defeat easily. Soon, most of the giant rodents are defeated and the team start to wonder where their sensei has gone off to.

The Manhattan Project, Part 1

April and Casey are exploring the rooftops of New York City [while patrolling the area for any crimes that might be occurring]. She then hears and sees the Kraang in a secluded alley way. She then sees them all lining up in a single file as they enter a portal [that's being opened and controlled by a floating alien technology device]. They then jump down and engage the very last kraang [who's just about to enter the portal]. Casey distracts it while April attacks it from behind by slicing it's robot body in half with her tessen. Casey then hits it with his hockey stick making it hit a wall and crawl away. April then instinctively press one of the three buttons on the device causing the portal to close and dissipates the device [causing the piece of tech to fall to the ground]. April grabs the device and states that they should take it to Donnie [who she compliments by saying he's advanced] so he can examine the device himself. In the lair, Donnie inspects the device when April shows him how to operate it [by pressing the buttons to activate/de-active the portal]. Donnie is intrigued by the device. Suddenly Ralph jumps into the portal itself which causes everyone else to follow suit; however another earthquake occurs which causes the lab to rattle a little bit which results in some falling debris to hit the device making it de-active the portal and leaving the team on the other side. upon entering, everyone is intrigued by the countless portals and views of the variety of dimensions [including the Teenage Mutant Ninja Turtles (1987 TV series) universe and Dimension X (2012 TV series), the infamous home of the kraang themselves]. Unfortunately, they are spotted by the kraang who send a group of aggressive Biotroids to attack them. They prove to be a challenge but the team manage to destroy all of them except for one [who punches Leo, Mikey and Ralph into a portal]. A Kraang then appears with a odd looking remote that it uses to close the portal [that the other were pushed into]. They attempt to get their hands on it but the kraang throws it into another portal and leaves [humorously]. She [along with Casey and Donnie] manages to defeat the last Biotroid by pushing it into one portals that leads to Dimension X. However, some Kraang [who are simultaneously forcing an odd worm-like creature through an exit with a bunch of stunners] notice and inform them that they are aware of their presence as they spy on the aliens. the Kraang then send a large squadron of of kraang-droids through another portal who confront and capture them [causing them to surrender]. they then take them to a New York City subway through a portal. The Kraang continue to lead the three of them somewhere [which is unknown]. April then corrects Casey on a question he asked as she states that their going to be fed to something [not get fed something]. unwilling to let this happen, Casey makes an abrupt move on the kraang in front of him; April and Donnie join in as well. Donnie then manages to use his staff to hit a nearby sewer wheel which releases a bunch of gas into the air that immobilizes and incapacitates all of the kraang. The trio then escape using a nearby door [which Casey uses a Cricket bat to bar] which leads them to a large and wide but short tunnel. they then walk through the tunnel and at the end of it they discover four gigantic creatures and a large group of kraang that come into their view. April takes note that the kraang are milking one of the creatures for mutagen [like cows for milk]. Donnie then discovers and states that the creatures are the cause of the earthquakes around the city and the source of the mutagen itself [which disgusts them all]. However, unbeknownst to all of them at first, a small [infant] Kraathatrogon is sitting right behind April. It cuddles her a few times which causes her to believe that Casey is touching her. she then looks down and discovers the creature which scares them all. Casey then hits it on it's head which causes it to alert the Kraang about their presence. The Kraang then release a giant [adult] Kraathatrogon that begins to attack them all at once.

The Manhattan Project, Part 2

The trio continue to run from the Kraathatrogon that's chasing them [which Casey tries to distract by throwing a paint bomb that it disgusts which fails]. they then change directions and find a nearby ladder that leads to the surface. Donnie then grabs on to it and tells them both to grab his Bo. April manages to grab on and becomes secure. but Casey isn't so lucky as the worm comes up quickly and swallows him whole before it wiggles away. this leaves the two of them saddened. They then reach the surface and another earthquake occurs. April states that they must stop the giant alien worms by any means necessary. Donnie agrees and says that the must find the person who knows more about the kraang then anybody else, Jack Kurtzman.they then go to his apartment and he tells them to get in before their spotted. they then explain the situation to him. However, Jack reveals to them both a bunch of photos and information about the worms as he states he has already dubbed the kraang scheme as "The Manhattan Project". Jack then explains that he doesn't know how to defeat the giant worms but he does state an interesting fact about the worms who the kraang ride by pulling their antennas. Donnie then comes up with a idea involving salt. April tries to ask him what he's implying but she suddenly receives a phone call from Casey [Who's alive and is the worm's digestive system]. April is overjoyed and promises they will come to his aid shortly. They then make their way back underground and donnie bangs his staff on one of the rail-road tracks which creates vibrations that successfully attracts the worm to their position. Donnie then tells April to take out the cans of salt in a bag which she questions him about. Donnie then explains that the salt's ionic strength can seep into a worm's system [and blood cells] which will result in it slowing down. they then repeat the process of throwing a can of salt in the air and hitting the worm in it's face which is the mark. Finally the worm stops and throws up, spitting out Casey in the process. they then share a small reunion that is short lived as they discover a kraang operation base [that their right in front of] underground. They also see the kraang who are still in possession of the Kraathatrogon that they release at any time. Donnie then comes up with an idea to reverse the polarity of the portal located in the large room while April and Casey distract the kraang. while Donnie pries open the the perplexing piece of technology, April remembers what Jack said about the worms earlier and comes up with an idea. She then climbs on top of one of the worms and rides it by pulling on it's antenna. this works and after destroying some kraang-droids, she orders the worm to go right up to the surface [exactly right where the turtles are engaged in another large battle]. the worm [along with April and Casey riding it] emerge by bursting through a nearby manhole; which shocks everyone. Tiger Claw (2012 TV series) is then eaten whole by the Kraathatrogon [like Casey was earlier] after being knocked into it by splinter and a jet-pack malfunction. Donnie finally reverses the portal's polarity which causes everything [April, Casey, the kraang and worm] to start flying toward it and into it. However, Donnie manages to save them both with his staff and shuts it down at the last second. the following day, they regroup with the rest of the team and splinter [who commends them all on their courage] on the rooftop of the building. they are all happy that they have all succeeded in their own right this time around. Upon learning that Karai is splinter's biological daughter and wondering where she is; April states that she can't believe that some as wicked as like her [calling her a evil witch] is related to him. She then apologizes about the remark which she believes was honest. Splinter then states that perhaps one day she will accept the truth but that is her decision. unbeknownst to all of them, she's secretly hiding on a nearby billboard and after hearing they just said, she's starting to question everything as she has a severe facial expression on her face. the team then leaves as they celebrate their victory which ends with Mikey asking where the giant alien worm might have ended up.

The Lonely Mutation of Baxter Stockman

April is kidnapped by the mutated version of Baxter Stockman. Baxter threatens to mutate her, so the Turtles come to rescue her. When the Turtles come, it is apparently too late. Baxter lowers April down from the ropes that bind her and hang her over a giant container of mutagen. Though Donnie had tried to save her, he failed. But as everyone tenses up, April comes out of the jar normally. It is later found out that she is immune to mutagen because of her alien DNA.

Pizza Face

April is kidnapped once more, but this time under the control of a mutant pizza and turned into a mindless zombie. Later Michaelangelo has to save her and his brothers from the mutant Pizza Face. After he does, he wakes up and realizes that it was all a dream. the turtles and April then come into his room to check on him. they tell him that it was probably a nightmare [when it actually wasn't] before they all leave.

The Wrath of Tiger Claw

Both Tiger Claw and Karai attempt to go after them after interrogating Mr. Murakami [who informs them about the turtles friends whereabouts] at his noodle shop. They first appear exiting a movie theatre after seeing a film with Irma (2012 TV series). April gushes over the movie while Casey complains about Irma tagging along [as he thought it was a date]. April then senses something and informs them that someone is following them. She and Casey decide to split up and ditch Irma. Tiger claw goes after Casey and ambushes him while Karai chases April. When she catches up to her, April pulls out her tessen and prepares to fight her [while informing her that her training with splinter has improved and that she's capable of holding her own ground]. However, Karai states that she just wants to talk; not fight. April then proclaims that she's been trained for that as well. While April chats to Karai about the insane events that have recently happened, she opens up to her about everything [examples-splinter being her real father, where her loyalties lied, the shredder's deception and possibly betraying him], all of which surprises April. Leo and Donnie go looking for her and find the two girls on a nearby rooftop. they appear to enjoy each other's company until the turtles show up. Donnie then prepares to attack but she stops them in their tracks and tells them both to listen to what karai has to say. April then tells them that she believes Karai who believes Leo and what he said to her before about splinter. she then goes back to the lair with karai and the turtles. April is then shocked when she sees a wounded Casey [who got thrown off a building by Tiger Claw (2012 TV series) earlier] and runs to him. she then stays behind with splinter to attend to Casey and his injuries.

Plan 10

April goes with the Turtles to destroy a machine the Kraang created to switch minds. In the process, April and Casey are accidently hit by a beam when Donnie tries to shut it down. April and Casey switch brains Almost immediatly, though, they are switched back.

A Chinatown Ghost Story

April is captured by Ho Chan because only her powers could restore his mortality, at the end April defeats him and traps him once again in the cursed dagger he came from.

The Invasion (Parts 1 and 2)

In the Invasion April is hanging out with Irma, when KraangDroids attack. April takes Irma to the Turtles Layer to be safe, but this causes the Invasion because Irma was Kraang Sub-Prime all along [who also laughs during the whole attack and revelation]. She, Donatello, and Michelangelo make it back to her apartment. They eventually take the Party Wagon where Kraang Prime chases them all down as he tries to take them all out [after mutating her dad again in the process] as well the foot clan who also go after them and try to take them out in the apartment. After beating Kraang Prime in the Turtle Mech, she, Casey, Donatello, Raphael, Michelangelo, and an unconsious Leonardo leave to the O'Neil Farmhouse.

Within the Woods

The episode opens with April recounting the events that happened in the finale of season two.[which resulted in losing splinter, Leo being badly injured and losing to the Kraang who invaded and took over New York City]. They then arrive at April's old family home in the country at a farmhouse and take refuge there. they then take an unconscious Leo to the bathroom and place in the bathtub that they fill with water so he can stay hydrated and recover. while there she continues training with the others and tries to keep the gang together [even though she misses the city, her dad and splinter]. It is also shown that she is a great artist as she draws pictures in her journal as well as writes and narrates the events that have happened in the last few months at the farmhouse. One day during one of their training sessions outside, April trains with the turtles and manages to take down Ralph by punching him in the face and knocking him out [while mentioning that she's almost a fully-trained Kunoichi. The turtles then admit that they miss splinter and that Leo may never wake up as well as the fact that their meant to live in the sewers, not the countryside. the gang then chill down and decide to watch Mikey's new favourite TV show Crognard The Barbarian. Suddenly Ralph [who goes check on his brother] calls everyone to come upstairs where they find a conscious Leo in the bathtub. they then take him downstairs and April serves him tea and biscuits as they tell him the events the events that have occurred and Donnie examines him. later in the evening [After Ralph and Leo's unsuccessful workout and Leo's mishap with the Mutagen medicine], She chats with the others about splinter being dead or not while Mikey tries to watch TV when suddenly the power goes out. The fireplace and flash-light die out after as well. They then begin to call out for Ralph [who went out into the woods to get wood for the firewood but was attacked by the creature]. they then split up into teams [with April going with Casey which disappoints Donnie] and go looking for him in the woods. while they search, She senses that someone/or thing is watching them. She then hears Donnie [who was teamed up with Mikey and found a shack where they were attacked by the creature's vine-like traps] scream. She then turns around and sees that Casey has disappeared as well. She continues to walk when suddenly she sees the creature who has a pitchfork and is attacking Casey. She then attacks it. they both fight it off. the creature then chases her threw the woods after it takes Casey out. she then screams at Leo for help [as she's almost back at the farmhouse] when suddenly a vine comes out of nowhere and grabs her by the heel. It then drags her back into the woods as Leo tries to run toward her to save her [which forces him to go alone into the woods to save them all himself]. the creature then takes her and everyone else [who are all tied up] back to the shack. She and the gang are then freed by Leo after he managed to lure the creature out and defeated it. the creature [who Mikey has now dubbed Creep] then returns and after a short battle [which results in Leo pinning it to a tree with the pitchfork while the others play a game of keep away as the creature is after the mutagen medicine], April and Casey tie it up to the tree in chains. Later in Donnie's lab, she and the team are all there [including ralph who wakes up and is informed about the incident with the creature who absorbed all of mutagen from his body that Donnie has returned to his body without any infection and that the creature has turned into goop and has been placed into a jar].They also explain that Leo stayed up all night and never left his side. Leo then states that after he heals they can head back to New York City. unbeknownst to all of them; the jar that contains the Creep's remains [goop] suddenly cracks.

A Foot Too Big

Donnie prepares a gift for April that he makes; a music box with a picture of him serving as the mirror for the top. He then presents it to her. She quickly dodges the romantic move and claims that she has some ninja training to do. she along with the rest of the gang are then introduced to Bigfoot (2012 TV series) who the turtles found in the woods and brought home to attend to her injuries. she then bandages her arm while she informs them that she's being hunted by a very bad man called The Finger. after the creature reveals it's gender and attraction to Donnie for being so kind and nice to her, the others begin to laugh about the predicament that he's in except for April. She then walks into the kitchen and sees Bigfoot making soup [which smells awful] for donnie. she then goes looking for ingredients in the fridge and opens the top freezer which exposes Ice Cream Kitty (2012 TV series). The two both scream in fear of each other which results in her throwing the fridge outside. She then helps give Bigfoot a makeover as she tries to impress Donnie as well as get his attention. After rescuing Bigfoot from the finger, Donnie decides to talk to April the next morning as she is then seen chopping wood [for the fireplace] with an axe. He then states that he won't bother her anymore [no music boxes,etc.]. He also states that he realizes what he did to her because of what bigfoot did to him and that he's just a mutant. April starts to look at him sympathetically while he states all of this. She then smiles and says he's not just a mutant but her mutant before she kisses him on the lips which completely shocks him. She then walks away smiling and leaving him alone. He [who's now confused] then states that he "understands nothing".

Buried Secrets

April is seen cleaning around the farmhouse [the bathroom to be exact] with Casey and the turtles. When Mikey falls and accidentally discovers a hidden trap door that leads to the basement, she is surprised as she didn't even know about it. she along with the turtles and Casey the descend down the trap door they make a shocking discovery; a kraang scout ship buried right under the house. she then wonders why the alien ship is here. As the team seek answers, they decide to open and enter the ship to find out more. once inside, they find a stasis pod that appears to contain a humanoid figure within it. Mikey [who ignores Donnie's warnings of not to touch anything] accidentally [using his elbow] turns on a switch which causes the pod to open. As it opens [with the smoke clearing], April gasps with shock for in the pod is her long lost mother Mrs. O'Neil (Clone) (2012 TV series) who she believed to be deceased. after Mrs.O'Neil awakens from the pod, she is shocked at the appearance of the turtles and wonders who they and Casey are. she then looks toward April and both woman faint in the turtles and Casey's arms as the shock is to much for them to handle.she then has tea with her mother who explains her story to everyone in the living room as they all clam down she then explains the history between their family and the Kraang as well as why they were after April to begin with. Afterwards she hugs April and proclaims that they are finally a family again [wondering where Kirby O'Neil is] only for Leo to lie to her by saying that he is on a safari in Puerto Rico. April then relaxes with her mother on the porch swing near the house only to be attacked by Mikey who tries to attack her due to the fact that he doesn't trust her and has sensed that something is wrong with her. April is horrified by the unexpected assault and pins Mikey for scaring her mother who runs back into the farmhouse crying in fear. Mikey tries to explain but April isn't interested in hearing his reason and goes running for her Mother back in the house. April then finds her mother back outside trying to forget Mikey trying to attack her earlier and reflecting on the good memories of the past. she then tells April that they should leave the house and freaks [referring to the turtles] behind and start somewhere fresh. April is reluctant because of the turtles being like a second family who have always been there for her and she doesn't want them to go. Her mother then gives her a ultimatum; Her real/biological family or the turtles. she then walks away leaving April to make a very hard decision. April then goes to the kraang ship where donnie [who's trying to figure out what happened to Mrs.O'Neil when she was captured by the kraang by checking the files] if he's seen her mother. Mikey [who was attacked by Mrs.O'Neil moments before] then comes in and states that she is probably OK and that he will help look for her. April shoots down offer of assistance and leaves as she is still angry at him for doing what he tried to do earlier. April then talks to Casey on the swinging porch about the decision that her mother has left her with. Casey [who's upset about the decision] then tells her that he understands if she decides to leave. suddenly Ralph [who was just attacked by "Mom-Thing" moments earlier] comes running out of the farmhouse and informs the both of them that everything Mikey said earlier was true but they still disbelieve it. Mrs. O'Neil then comes out of the house and walks toward them all [Ralph pulls out his two sais in the process]. April then steps in to stop Ralph from attacking his mother [after he dubs her "Mom-thing" and asks her what she did with his three brother]. She then grabs April by her arm and states that their both leaving immediately. April then starts to cry at her mother to let go. Mrs.O'Neil then turns around and reveals her true form to April. she then attacks. after revealing her hideous form [a spider-like figure] chases April along with Casey and Ralph [all horrified] toward the barn. they then barricade the barn so she can't get in. unfortunately, she manages to get in by burrowing underneath the barn and bursts inside. April then comes up with an idea to refreeze her but Casey replaces it with a dangerous stunt that involves trying to electrocute it to death using a nearby power box that fails. Casey and Ralph then decide to attack it head-on but they fail again as it has them both sucked into it's body by one of it's suction tubes. It then comes towards April who now stands alone and in complete horror in front of the creature who she thought was her mother. It then tells her that they still can be a family and it's all she ever wanted. she then tries to unite her with all of the others it's swallowed by absorbing her as well. April refuses and tries to make a run for it. Unfortunately it manages to grab her with one of her suction tubes. April resists the creature and her mental powers get the better of her when the situation escalates. this causes the creature to get blown to pieces [everyone is alright and awaken moments later]. Back in the Kraang ship, Donnie reveals the truth about the creature after doing some research [the creature was nothing more then a early kraang infiltration experiment that was utilized with both Mrs. O'Neil and the kraang's DNA As well as that, it also retained some of Mrs.O'Neil's memories; However the creature became to dangerous for the Kraang to handle so they put it into stasis where it wouldn't be any threat to them]. Leo tells his brothers not to talk about it for April is disenchanted and feels like she just lost her family all over again. she then states that she believes her real mother is still alive and must be somewhere in the world. Leo then offers her a hand and states that she shouldn't give up hope. Mikey then states that their also her family as well making her smile. However the moment is short lived after Mikey begins to gloat about being right. Donnie and Ralph then ask and question him about the mutagen that mom-thing spilled in the woods. Mikey states that he doesn't remember which causes Leo to state that this will lead to disaster. the scene then goes to a pond near the woods where a band of frogs [with mutagen on their heads] begin to carelessly hop around, not knowing the changes that are soon to come.

The Croaking

She appears with the rest of the gang who are angry after they enter the living room where they discover Mikey's mischief as he has made a mess of the place after watching his show with Ice Cream Kitty and trying to imitate some of the moves. they then go out for a while and order him to clean the mess up. However unbeknownst to all of them, Mikey ran away [while informing ice-cream kitty of his safety and that April will take care of her in his absence] before he departs. When she and the others return to the farmhouse, they discover that Mikey hasn't cleaned up the mess and begin to complain [except for her]. She then points out to all of them [particularly Ralph] that they don't appreciate him which is most likely the reason he left. Donnie then comes in and shows them a report of a local camp site about two-legged green creatures that have trashed the place and decide to go and search for Mikey [as they believe it's him]. later on, They will return to the farmhouse [after not finding Mikey] and discover graffiti on the walls that states "Humans Beware" which they immediately accuse Mikey of doing but Ralph points out otherwise. Suddenly they find a pair of foot prints [that are amphibian] and that hop down to where Leo is Standing. April then senses danger. Suddenly the Punk Frogs [who are being led by Genghis Frog attack the group [believing that humans; who they also state are their enemies and have captured their reptile relatives who their trying to rescue]. the fight is brief for they are easily outnumbered. Genghis then tells April and Casey to flee but the turtles try to inform them that their not prisoners and that the humans are their friends. He doesn't believe them even when they state that their serious which results in him calling them traitors and attacking them. He and the other Frog Soldiers then capture April and Casey by using their tongues and dragging them off into the forest. they then take the two captured humans back to their tree [which is also their home] where Mikey hears their cries for help. Mikey then tries to explain that he exaggerated some parts of the story that he told earlier when Napoleon Bonafrog brought him to the frog tree earlier]. The frogs then imprison him as well [as they believe he deceived and lied to them]. Mikey then asks why their king [[Attila the Frog {2012 TV series}]] is doing this. He then tells the story of how he was once a squad of frogs at the pond who's home was bulldozed by humans who built malls, gas stations, coffee shops, etc over it and how Rasputin the mad frog found the mutagen that transformed them. they also reveal that they plan to start a revolution by mutating humans into frog people. unbeknownst to all of them, the turtles show up and try to stop the invasion as well as rescue the trio. Unfortunately their cover is blown and they are spotted. they then face the frogs and are outnumbered again. Napoleon then gets into a conflict with Rasputin while trying to rescue the others and accidentally knocks down a candle making the tree catch on fire. Napoleon then frees and warns the others. everyone except for Attila escapes. Casey then knocks the frog king unconscious and onto the elevator. The frog king is surprised that humans saved his life before he pays attention to his home burning down. after the fire drowns down, He states that he may have been misjudged some humans. April then states that she believes that not all frog people are bad either [counter-parting his statement]. she and the team are then present for Napoleon's promotion as the new general as well as the frog people's departure into the woods as they begin a journey to Louisiana [where their relatives are]. they and Mikey share a snack [a jar of flies] which the team find disgusting and finally depart. The gang then return to their damaged home. Unbeknownst to all of them, The mutagen that was spilled earlier is on a road that gets run over by a on-coming car which will result in disaster that will soon come.

In Dreams

April along with Casey head for the nearby store. She then shoots down Mikey's request for spice gummy worms; as she puts it, the store either has peanut butter or jelly. while at the store picking up supplies [mostly food], they encounter the friendly but scary store owner Bernie. While checking out he asks them some questions [such as are they eating for five/six people and if they've felt tired lately] to which they [needless to say] don't really answers and exit quickly. they then return to the farmhouse to find the turtles all sleeping. they have no success in waking them up and April becomes worried about their vital signs which all appear to be weakening. after noting that the book from the store may have something to do with the sleeping/dreams, she sends Casey back to the store to investigate while she tries to contact the turtles with her psychic powers. she appears in different forms in all of their dreams [all of which appear to be their worst fears/nightmares] except for Mikey's. When Casey returns with Bernie from the store, she resorts to slapping them all in the face after nothing else works which causes her to start panicking. After Casey destroys the dream plug, the turtles wake up [with April kissing donnie in relieve] and the Dream Beavers are released into the real world with the revelation that their small plush toys. they then leave and Bernie finally falls asleep. Casey and Donnie then remove Bernie from the farmhouse. Donnie asks Casey if April kissed him when he was fading away to which Casey replies to by saying "keep dreaming".

Race with the Demon

She is driving back to the farmhouse with Donnie and Casey after grocery shopping. the two of them continue to argue which results in her stating that she wants them to get along and just have a quiet ride back home. Suddenly they are attacked by Speed Demon who nearly runs them off the road. They then return to the farmhouse and retell their encounter about the maniac driver to the turtles [who were just watching the local news that reported it]. April then tries to reason with Casey to not try and do something about it. She then massages Donnie's neck; after he states that it hurts from the incident [which causes Casey to throw another tantrum as Donnie takes advantage of the situation and gives him a glare to make him jealous]. She and the turtles are then given the big reveal show of the Hot Rod that Casey and Donnie worked on and outfitted with Kraang technology [from the scout ship] and the chicken's Dr. Cluckingsworth intelligence as a navigation system. they then decide to hunt down the maniac driver [who is revealed to be a mutant] and come up with a plan. She along with the turtles drive in the party wagon while Casey drives in the new hot rod. after being informed by Casey about the car being a mutant and taken possession of donnie, they watch and try to figure out what to do as Casey and the mutant car race while being fairly matched. As the mutant car tries to attack Donnie [who Casey frees] and Casey, they then slam into the car and send it flying off of the cliff and exploding [while stating that it will return in the process]. In the end She is thrilled to see them getting along as they congratulate each other. However it is short lived as they obnoxiously begin to praise each other. April and Ralph then look on dejectedly at the two and their new relationship [a bromance] which ends with April stating that she thought she was happy that they were finally getting along.

Eyes of the Chimera

Donatello develops a helmet from the technology in the kraang ship designed to augment april's telepathy. When she uses it, at first it produces images of a bird, a worm, and a fish, which donatello believes are mistakes as she is sopposed to be blindly seeing flash cards, when as it turns out she was peering into the mind of the yet to be seen chimera. Then it unleashes an uncontrollable telekinetic reaction, then april begins to see clouds and loses control of her retinas. Later when the Chimera attacks the farmhouse she realizes that she developed a psychic link with the monster. When the turtles leave to confront the chimera , she stays behind with leo, due to both of them being disabled. Though when Raph. Donny, and Mikey become trapped inside a geyser, she leads Leo to the chimera's location, motivating him along the way. Once the Chimera is dead she regains control of her retinas and her sight returns.

Vision Quest

April along with the gang train by splitting logs. She then attempts to do the same but instead hits Casey [who was holding the log for her to do it] and knocks him to the ground. She and the others are then informed about the expedition [that the turtles are about to take in order to connect to nature]. It appeals to her as a idea of camping which she likes and disagrees with Casey about it being a bad decision. However she doesn't succeed in joining the expedition as she is then exempted from the expedition by Leo who states that it's for ninjas only. This upsets her, causing her to state that she's almost a fully trained Kunoichi but is informed by Ralph that she's "almost fully trained" [meaning not a ninja completely] which upsets her a little. She then stays behind at the farmhouse with Casey [which he likes but Donnie doesn't]. At the end, She continues to train with Casey and finally manages to break the log. She then thinks that Casey has gawked at her accomplishment, only to turn around and see the turtles [who have also accomplished their spiritual quest] return as they emerge from the forest while carrying a banner and their new gear. she then wonders what happened out there. Leo then makes a declaration by stating that it's time and that their going back to New York City.

Return to New York (2012 TV series episode)

The episode opens with her and the team watching a episode of Crognard The Barbarian watch then gets interrupted by Channel 6 Breaking News which informs them [and everyone else who's watching] that New York City is off limits under military orders. they all suspect this as they watch. April then states that the kraang may have fooled everyone else but not them before she asks Leo what the plan is. They then go along with Donnie's plan of breaking into the city by breaking through the barriers by using a new vehicle. They the convert the old van into the Party Wagon which now has weapons and equipment. With the new van set up, they get ready to go back to the city. As they prepare to leave, She says goodbye to the old farmhouse before they depart. they then leave and make their way back to the city. while driving, they make a plan to park outside the gate and sneak inside so they can find Karai, splinter and Kirby as well as take back the city. suddenly they discover that soldiers have every entrance into the city quarantined. after talking to the soldiers, April notices that they all have kraang mind control devices on their necks. Her statement causes Casey to drive the van [while speeding and avoiding] soldiers [and dodging as well as shielding the vehicle as they attack them by firing their weapons at them] and smash the party wagon through one of the barriers and right into the city. once inside, they see that everyone is gone. April then uses her powers and senses that there are only a few hundred people left in the city [meaning millions of vanished and have most likely been mutated by the kraang]. suddenly they run into kraang soldiers who they easily take out and escape by using stink bombs and soda cannons. they then use the Shellraiser's old access to the subway where they enter. they then avoid some Kraang soldiers and mousers that patrol the area. April then gets asks by Donnie to use her powers to track down splinter. April then states that since splinter has become detached from his body, she has know idea what has happened to him. the team decides to look for him at the lair where they come until contact with a kraang security orb robot that begins to attack only to realize that it detected a scavenging rat. April then senses splinter nearby and states he is somehow different. the rest of the gang then follow her and find splinter [who now appears to be acting a savaged rat instead of a master ninja and is attacking everything in his path]. They try to calm him down [including stopping him from attacking Casey and biting his face]. they then try to talk some sense into him but a mouser who survived his attacks calls for back up and Foot-Bots appear. despite their best efforts, splinter is captured and taken to the shredder. the team then find a access tunnel that leads to Baxter's lab only to get attacked by one of his mutant shredder clones [who happens to be Small]. after a quick battle, they sneak in and find splinter [who's still acting like a rat and has been put into a containment cell that has been designed to look like a pet cage for small rodents]. Casey then suggests that April should try to reach splinter's mind like she did for the turtles in the episode "In Dreams" which Donnie [based on his research] agrees could work. suddenly they get spotted by Baxter himself who then unleashes his mutant shredder henchmen on them and tries to alert the shredder [which Mikey unfortunately does for him while fighting the mutant fly]. while the turtles fight, April attempts to reach splinter by using her telepathy which begins to work as he starts to have flashbacks. suddenly he attacks Casey after he mistakes him to be the shredder. He then attacks April and concerns her to a wall. luckily from a range, her powers work more effectively and splinter becomes himself again. after their sensei rescues them and easily takes out the mutant shredder henchmen, they rejoice in being a whole family. However their reunion is short lived as the shredder, tiger claw and foot appear and interrupt them. realizing that now isn't a good time to fight, they escape with Mikey using a smoke bomb as their cover. while in the party wagon, they get attacked by tiger claw who they easily to dispose of by using a concealed flame thrower attached to the van. they then drive out of the subway and into the city. they then use Antonio's Pizza-Rama as a new temporary home [which was Mikey's idea]. April then states that she's worried about her father as her powers give her a weird reading on him and the missing people. she then states that it's like their right around them and reaches for the front door of the restaurant. suddenly she sees her a bunch of mutated people including her dad who are being mind controlled and serving the kraang by collecting special crystals and other resources.

Serpent Hunt

April appears in Antonio's Pizza-Rama where she along with Splinter and Mikey are cleaning up the restaurant [that their using as a temporary home]. She along with Mikey then notice that something is bothering Splinter who's mind is preoccupied. She then checks in on Donnie who's still working on the Retro-Mutagen. She then asks if it will work and hopefully make her dad human once more. Donnie then states that it will and it will turn everyone [her dad, Karai and everyone else that was affected] back into humans; unfortunately splinter was in the room and heard his daughter's name which saddened him. Suddenly, Casey, Leo and Ralph return from a stealth mission to retrieve some of their old stuff from the lair. Splinter [who looks at his old family picture that they retrieved] states that his family will never be completed without his daughter. Everyone revolves to find her and decides to start searching. However, Leo states that April and Casey must both stay behind which causes April to states that they need them and Casey to say that Leo's just making him build up his rage and anger.


April is a smart, strange, tomboyish, and shy sixteen year-old girl with an indie rock vibe. April is also feisty, determined and resourceful. She is fiercely loyal to her mutant friends, as seen in Panic in the Sewers. When the turtles are ready to give up, April volunteers to find out Shredder's plot. She is also somewhat reckless, too. She cares about her family, or what's left of it, above all else. Any threat to her father is one that she takes very seriously, and when she finds out that the Turtles are accidentally responsible for his mutation, she becomes enraged and severs her ties with them. However, when she is once again assaulted by Karai, she calls Donnie for help. After he and the others save her, they reconcile.



While she is friends with all the Turtles, April seems to have the closest friendship with Donatello. He has a crush on her, but she seems to be either oblivious, or indifferent about it. However, in, Enemy of My Enemy, April was upset when Donnie said Karai was a better kunoichi than her. Yet, she seemed a little annoyed by Donnie's attempts to flirt with her. In Karai's Vendetta, April had a picture of him covered in flowers and hearts. Also in this episode, when Donnie yelled out, "My sweet princess is alive!", it is possible that she did in fact, hear what he said. She responded, "Let's agree that did" after he asked if he muted that, so that is another clue that she knows his obvious crush on her; she pretended she didn't hear that so that he wouldn't be embarrassed. So, it is unclear if she has feelings for Donnie or not. She is a really close friend of Donatello, since he keeps risking his life to save her, and complimenting her. The other turtles do care about her, especially Mikey and Leo. When she was upset, Mikey tried to comfort her by offering her a tissue, which she declined. When Leo didn't know what to do about Karai, he went to April for advice. The only one she doesn't seem close to or have a relationship with is Raph, as they rarely have conversations. However, they do seem to have a similar mindset, both warning Leo about Karai. Raph also seems to look after April in a way like all the turtles do, such as when they all opposed her to spying on The Shredder. Her relationship with the turtles broke up in The Mutation Situation. In this episode, her father turned into a mutant bat because of the turtles, causing April to run away from them and break their relationship temporarily. Their friendship is rekindled in Target: April O'Neil

April seems to be on good terms with Splinter, despite knowing little about him. They share the student-teacher relationship like he has with the turtles. When he realized that she has empathy, Splinter decided to teach her to be a kunoichi. She seems to respect and care for him, especially when she was forced to fight him. Since training under him, April has learned much about Splinter's past (including the loss of his wife and daughter), showing that he now trusts her greatly, and he even gave her the weapon that he intended to give to his daughter, which April accepted honorably, showing that their bond as teacher and student has deepened greatly. He has also called her my child. This suggests that he considers April as one of his own (an adoptive child) like the turtles. 

While April's relationship with her father has not yet been explored very deeply, her determination to rescue him shows that she cares for him very much. Her only other known relative is her aunt, whom she used to live with, until Master Splinter asked her to stay and live in the sewer until Shredder and the Kraang are stopped and quit looking for her. April's mother, Mrs. O'Neil, is presumably deceased.

Irma was april's best friend and a fellow student at Roosevelt High School. she was based on her 1987 cartoon counterpart. Not much was said or known about her. she was introduced in season two of the series. She called her in the episode,Mousers Attack!. It was revealed in the season two finale The Invasion, Part 1 that she was actually Kraang Subprime; a male Kraang master spy from Dimension X (2012 TV series) that only got close to April so he could find and give the Kraang the location of the turtles lair which was the only component the aliens needed to beginning the invasion. During the attack on the lair, April comments on the situation being missed up to which Kraang Subprime replies to by saying that he fooled her and the turtles. He is then killed by a piece of burining debry from the destroyed lair that falls on top of him when he fights splinter and attempts to capture him so the kraang can hand him over to the shredder and foot clan.

Murakami seems to be a close friend and mentor to her. They're always protecting each other from danger such as April protecting Murakami from the Purple Dragons, and Murakami with April from Karai. It's likely that he was the one who taught April basic Japanese words and parts of the Japanese culture.

Timothy develops a crush on April after he learns about her from Donnie. He then decides to hunt her down and stalk her. When he finally catched her, he revealed that he considered her to be his only friend since they both have been in situations that involved mutagen and the end results have been horrible as well as the fact that they are both associated with the turtles. It is suggested that Timothy may have developed a crush on April himself.

Karai is the only other girl human April has come in contact with, who knows about the mutants and aliens, which normal citizens do not. Although it's established that they are enemies, it's shown that of all the characters they actually have a lot in common. They both lost their mothers (probably at different points in their lives), they speak Japanese, they are both associated and are love interests of the Turtles, both of their biological fathers have been mutated into animals [both of which are mammals-rat and bat], they are both kunoichis and they know martial arts. It is suggested that April dislikes Karai due to the things that the turtles have told April about her, (which means April much like the others sees her as nothing but trouble). That and the fact that Karai used Leo's feelings to divert his attention. Her views on Karai have now changed now that she has found out and accepted that Splinter is her biological father. In the Manhattan project part 2, April along with the rest of the team find out that Karai is Splinter's biological daughter to which April can't believe and refers to her as an evil witch. She then apologizes to Splinter about the remark which she did believe was honest. She also talked to Karai in the wrath of tiger claw and defended her when Donnie and Leo found them on a rooftop. she then told the both of them that she believes karai was about to accept the fact that splinter is her real father showing that she trusts karai now.


Casey Jones April was hired to tutor Casey for an extra credit assignment when they first met, The two quickly become friends, much to Donatello's jealousy. He shows admirable fighting skills, especially when he helps April fight Mutagen Man and Foot Soldiers. Later, after he follows Raph into the lair, he learns that April's friends are mutant turtles and is informed about everything that is going on.


The Kraang have been April's archenemy from the very beginning of the show. She didn't know why she and her father were kidnapped, and hated them because of it. However, she's now discovered that there's something about her that's different than other humans. It's unknown what the truth behind April and the Kraang is, but it's likely that the Kraang want to use April for their invasion on the Earth. it is revealed in the season finale by kraang prime that the kraang need April because of her mental energy which is uniquely attuned to the universe and they need it to synthesize the mutagen as well as use it to mutate earth [wiping out all of life in the process] so they can live there and evolve. The kraang have become obsessed with finding and having april for their plans and perhaps even to themselves. that idea has now changed as they thought it would be amusing to kill her while collecting her DNA in the process in The Kraang Conspiracy and trying to exterminate her along with the turtles and Casey in "Plan 10", "The Invasion" and "Return to New York".  

The Shredder has used April as bait to lure out his enemies so he can destroy them. He then handed her over to the turtles and her other enemies Kraang. It is suggested that April dislikes the shredder. April and the shredder haven't had the opportunity to meet face to face though but it is likely to happen in the future.  

April dislikes the Foot-clan as much as she dislikes the Kraang and shredder.

Baxter Stockman has used, kinapped and grabs April and brings her to his lab. He ties her up above his vat of mutagen and explains his plan to her. During this fight, it is revealed that April is immune to mutagen, explaining why her DNA worked as the catalyst for the Retro-Mutagen.

Powers and Abilities

April seems to have a idiosyncratic ability to sense emotions in certain arenas (similarly to Splinter), and she can seemingly "see" into the person - or mutant's - 'soul', such as when she recognized a mutant monkey to be the missing Dr. Tyler Rockwell. This could indicate that, since she is a soulful person herself, she can detect the true emotions of someone, as opposed to one who mimics them or is but a malicious individual...This seemed to be evident when she looked into the monkey's eyes, likely judging if he is truly a good person or not, though the exact way that she did it is unknown. As of more recently, we've discovered that she can hear things that Splinter (who has great hearing) can't. In "The Kraang Conspiracy", it is revealed that she can emit a telepathic signal (that incapacitates all of the enemies around herself) when she is under severe pressure. In this episode, it is also revealed that she is, in fact, a half human, half alien mutant, which partially explains her inherent psychic powers, this has also allowed her to be immune to mutagen and Kraang Water...

April is, thus far, an amateur ninja, but she seems to be relatively competent with a Tessen in combat, but she still has yet to broaden her skill-range.


April appears as a young-looking shy 16-year-old. She has ginger hair that appears to be tied up into a small ponytail and right-sided curved bangs. She also has a yellow headband. April wears an elbow-length black shirt with a yellow and white sport shirt with the number "5" over it, blue denim shorts, black leggings, brown bandages/bracelets around her wrists, white high socks with two blue stripes on them and black low-heeled boots. Though you may not notice it, April has a clip on her right back pocket of her shorts. The clip is colored gold and has a little ball with a heart. There also appears to be keys that we are guessing to be house keys. April is very slim and has blue eyes with one eyelash, and freckles.  Donnie finds all of these features "attractive", leading to his crush on her. In New Girl In Town, she is seen wearing pajamas, which consists of a yellow long sleeve button up shirt, and floral pants. In The Kraang Conspiracy, she is seen wearing a white long-sleeved, button-up shirt, and white pants when the Kraang was about to gather some of her DNA. Her headband was also changed too white.


“I don’t know! I’m flunking trig, my friends are mutants, aliens got my dad, and I LOST MY MOTHER.”- Karai's Vendetta

"You guys wanna speed it up a little?!"- Never Say Xever

"This is it, April. A new start. Just pretend you're a normal girl. Don't talk about alien robots, or mutant dad, and don't even THINK about turtles- WHOA!"- Mutagen Man Unleashed

"It was an accident, and more importantly you're my friends. I don't want to hold a grudge ever again." -Target: April O' Neil

"Not bad for a nobody"- Karai's Vendetta

"You talk too much"-Target: April O'Neil

Got that from nobody- Karai's Vendetta 

I still can't believe that evil witch is your daughter. um.... sorry to be so honest.-The Manhattan project part.2 

You wanna do this Karai; fine! but I'm warning you, I've been training with splinter big time and I'm ready to kick your butt- The wrath of tiger claw

Oh, well I've been trained in that too- The wrath of tiger claw

See Also


See: April O'Neil (2012 TV Series) / Gallery


Splinter, fan

A Hamato Clan Tessen

  • April's name comes from the Latin "aprīlis", meaning "of the month of the goddess, Venus". April's surname, O'Neil, is of Irish origin; derived from Irish Gaelic, it means "descendant of Niall". Her surname implies that April has family roots in Ireland, making her ethnicity/nationality Irish-American.
    • April is called "April-chan" by Mr. Murakami, who she likewise addresses as "Murakami-san".
    • In Japanese, April's name would be 四月 (しがつ, shigatsu), meaning "the 4th Moon"; (moon = month and April is the 4th month) or 卯月 (うづき, uzuki), meaning "Moon of the Rabbit". In Katakana, April's name is spelt: アプリル (Apuriru).
  • In this incarnation, April is 16 years old: The reason for this is that Nickelodeon thought it would be odd for an adult woman to be hanging out with teenagers (the Turtles). In this incarnation, she is an only child, whereas in other incarnations of April in the franchise shows her with an older sister, Robyn.
  • After the events of "Rise of the Turtles, Part 2", April is currently staying with her Aunt, (though it as yet to be specified whether she is the sister of April's father, Dr. Kirby O'Neil, or of April's mother). April's Aunt is herself currently living in the same building as an antique store called "Second Time About". This is likely a reference to some of April's previous incarnations working in an antique store with a similar name, "Second Time Around". After the events of "Karai's Vendetta", April has to stay in the Lair with Splinter and the Turtles until they can defeat both the Foot and the Kraang.
  • April currently attends Roosevelt High School, (named after one of the American Presidents, and the school mascot is the "Roosevelt Viking"). After the events of "Karai's Vendetta", April cannot go back to school until both the Foot and the Kraang are defeated. According to her picture on her student ID, shown in "Panic in the Sewers", April used to have glasses and braces.
  • As of the events of "Baxter's Gambit", April is now armed with a Tessen, (lit. a "Iron Fan", better known as a Japanese war fan), a weapon that Splinter had one day hoped to give to his daughter, Miwa, who April reminds him of. April will now be focusing her fighting style around the real-life Japanese martial art of Tessenjutsu. The Tessen has a sharp edge when spread open, and can also be used as a throwing weapon.
    • Before settling on the Tessen, the weapons April went through are a Chigiriki, (a staff with chain), a Mace, (a club), a pair of Kama, (small scythes), and a Manriki (a length of chain with weights on both ends).
  • In "Karai's Vendetta", she comes in contact with the toxic water from the Kraang's home dimension yet is unharmed, despite it dissolving a piece of innoccent pizza moments earlier. It is unknown why.
    • Although this could be because she is half Kraang.
  • April stands about a head shorter than all four Turtles. In all other incarnations she is several inches taller (her height usually given in toys and related media as between five-five and five-eight). In the Season 2 model sheet for Casey Jones, his height is listed at 5"8 compared to April at 5"1, making April a full head shorter than Casey.
  • April has the phone number of Irma Langinstein, also called Weirdo McGee. One of her few or many friends who is actually an alien.

Start a Discussion Discussions about April O'Neil (2012 TV series)

  • Tang Shen: a mother

    12 messages
    • Well, after reading everyone's amazing little dialouges (they were awesome everyone ;) be proud of yourselves!) I figured what the heck, I...
    • How about this one? *(Splinter is seen in the training room, meditating. Suddenly, he sees something glowing in front of him. Splinter co...
  • April x Donnie?April x Casey?

    49 messages
    • In the last few episodes (and yes, I know they've had other stuff to focus on), but the relationship seems to be losing steam in my eyes. H...
    • BrownEyedBirdie wrote:In the last few episodes (and yes, I know they've had other stuff to focus on), but the relationship seems to be los...

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