Enter Turbo Cop mode, begin the trainer level, then move RoboCop all the way to the left. Hold Up on the D-Pad and press ... any weapon you want. After you beat the game, during the credits ...

Robocop: a cyborg supercop from the mean streets of Detroit. The Terminator: an unstoppable, remorseless killing machine from a nightmarish future. Gabriel Featherstone: a pretty good stand-up ...