Metal Bear is a Metal Grappler that has appeared in Custom Robo (Nintendo 64), Custom Robo V2, and Custom Robo (GameCube). It is a Normal Style Metal Grappler in the N64 titles and an Armor Style Metal Grappler in Custom Robo Battle Revolution. Its primary Commanders are Max in all 3 games and Ernest in Custom Robo Battle Revolution, but some of the Criminals, Lab Techs, and Z Lackeys use it in Battle Revolution. Two upgraded versions of Metal Bear appear in Custom Robo GX. They are known as Neo Metal Bear and Death Metal Bear.