Rocksteady

Rocksteady is a member of Nisemono's mutant army to destroy the turtles and is often paired up with Bebop.

​Appearance
He is a large muscular rhino with hairy shoulders with a black torn shirt with a belt of of bullets and jeans of army colours.

​Powers, Skills and Abilities

 * Minigun: He happens to be a good marksman by using his minigun proficiently.
 * Knuckledusters: His fists are shown to have brass knuckledusters with a picture of the Soviet Union flag that has grown a bit bigger for his size.
 * Flamethrower: He is seen carrying a flamethrower sometimes while hunting down his foes.
 * Hammer and Sickle: He is shown with with a handheld hammer and sickle, even larger than the ones on his knuckledusters.
 * Jagged Horn: He often uses his horn as a sword or as a battering ram.
 * Enhanced Strength: He is shown to be quite skilled in hand-to-hand combat by gaining the upper hand in a fight against Raph and Mikey and winning. Things get better for him when his strength enhances after his mutation.
 * Enhanced Charging Speed: He is very fast.
 * Leap: He is shown to be able to jump as high as Bebop.
 * Intelligence and Communication: He is shown to have his intelligence of great ways for making deals with people as human and has retained it despite his mutation. He can still make growls while talking.
 * Stamina and Durability: He is able to take many attacks from his enemies able to fight for long period.

​Personality
He describes himself and the Shredder as "old friends." He seems to take great pride in his collection.

Steranko is rude and humorless, but is willing to be reasonable and make deals when the opportunity presents itself.

As Rocksteady he is even more aggressive and develops more fighting skills to match his new form.

​Voice Actor
Fred Tatasciore