Crazy Baboon is a Metal Grappler robo that appears in Custom Robo (Nintendo 64), Custom Robo V2, and Custom Robo Arena. In all of its appearances, it is an Armor Style robo. It is primarily used by Gousetsu in the N64 games, but standard criminals and Cleaver use him in Arena. In addition, it has been used as an Autonomous Robo several times in Arena.