Hammer

The Hammer is a mafioso working for Don Vizioso, who debuts in the episode Mutant Gangland. Vizioso indicates that he is his best enforcer. Hammer has a mech suit with rocket launchers, a gripping claw, and a hammer, that he fights with.

Trivia

 * Hammer is a very on-the-nose parody of Italian-American actor Sylvester Stallone