Ultimate Kraangdroid is a gigantic 25 foot tall android body used by Kraang Prime in the 2012 TV series. It is hidden in the walls of the Technodrome. Kraang Prime sits inside its broad chest to seek out and kill all who get in his way. Its head has a fork-like antenna on it that that can shoot a laser beam. It was defeated along with its wearer when the Technodrome plunged into the sea.
In The Invasion Kraang Prime came to Earth with a huge tank of mutagen attached to where the kraangdroid's head was supposed to be and a big gun on his left arm, which Prime used to start mutating NYC, later the kraangdroid was back to its normal mode with the tiny laser shooting head on the top, but it was electrocuted by the Turtle Mech.
- The Ultimate Kraangdroid's head resembles the 1987 series krang android body's.