Rocksteady (IDW video games)

Rocksteady is the second boss of Teenage Mutant Ninja Turtles: Mutants in Manhattan. On the hardest difficulty, he will also accompany Bebop at the end of the first level.

Trivia

 * Fred Tatasciore as Rocksteady is the only voice actor in Mutants in Manhattan who reprises a role from another incarnation of the franchise.