Bebop and Recksteady's gang was a gang of street punks who were mutated by the Shredder using the mutagen made by Krang. Bebop and Rocksteady's gang were seen in Season 1, 3 and 5 of the 1987 TV series, and in "Heroes in a Half-Shell, Part 1" in the Archie Comics series.
- Rocksteady: A Punk who was turned into a Rhino.
- Lugnut: The Gangs Leader.
- Jersey Red: A large tough Woman.
- Punk with Blue Leather Jaket: A member of the gang, unamed.
- Gangster:1: A Female That is in Lugnut's Gang. She wears Sunnys and and Bra.
- Gangster:2: An American African Punk.
- Scrag: A member of the gang. His name comes from a colouring book. Appears in "Turtle Tracks" and "Enter the Shredder." Cameo in Turtles Forever and he is also a mutant bat in "Hot Rodding Teenagers from Dimension X" and "Shredder & Splintered." Also appears in the Archie comics "Heroes in a Half-Shell" mini-series.
- Yellow Mowhawk Punk: Although his name was never metioned he made cameo a in Turtles Forever. Appears in "Turtle Tracks" and "Enter the Shredder." Also is a lizard mutant in Hot Rodding Teenagers from Dimension X and Shredder & Splintered. Also appears in the Archie comics "Heroes in a Half-Shell" mini-series. Where he has a green mowhawk.
- Punk with the Cap: Only appeared in Season 1 and he made a Turtles Forever cameo. Appears in Turtle Tracks, also is a mutant dog in Hot Rodding Teenagers from Dimension X and Shredder & Splintered.
- Minnored Punk: Only Appears in Turtle Tracks. He resembles a Fatter and Shorter Version of Lugnut.
- American African Punk: In Lugnut Gang.
- It is unknown why Bebop and Rocksteady's original gang were mutated but never were used.
- It is also unknown what happened after Shredder & Splintered, but it was seen that Scrag was briefly turned back into a human, when Shredder was on the TV Talking to the Turtles and Splinter and showed them what will happen if a mutant is hit by his Retromutagen Ray Generator. But he is seen as a bat again later when he is in a cage with the other mutants. Lugnut and gang members from "The Gang's All Here" appear in "Once Upon a Time Machine." But it is not said what happened to the other members of the gang.