Rocksteady was originally a human gangster that was employed by Shredder. After his Foot Soldiers failed to stop the Turtles, the Shredder developed a plan to mutate members of his street gang. Rocksteady's DNA was mutated with a rhinoceros and he became half-man, half-rhinoceros. Product description: 1:15th scale, 31 points of articulation; including a bicep swivel, double knee joint, double elbow joint, butterfly joints at the shoulder, ball joint at the ankle, upper thigh swivel, ball posts at the hips, waist swivel, an ab crunch, swivel and flex at the wrist, and a ball and post neck joint. Includes multiple accessories - includes 2 head portraits (one head portrait depicting Rocksteady's human form), machete, rifle and multiple interchangeable hand gestures. Packaged in a unique collector's box with a dioramic insert. Crisp paint, and clean sculpt details. Maximum poseability. Collectors' Choice of Brands!