Rocksteady

Rocksteady is an antagonist of Teenage Mutant Ninja Turtles. He was originally a human Russian arms dealer with ties Shredder and The Foot Clan named Ivon Steranko. He is now a mutant white rhinoceros who is one of Shredder's hench-mutants along side his new partner, Bebop. He made his new debut in Enemy of my enemy.

Attack
Rocksteady has a hammer along with a fire gun and laser gun.

Trivia

 * Rocksteady is a rhino he got mutated in Serpent hunt.
 * He has a horn with a crack in it.