 His main enemy is Robo-Fiend (also voiced by Cummings).Sheen has the largest UltraLord action figure collection and is offended when other characters call them "Dolls".In the film, Sheen is tricked by Cindy into showing his school class a rare, never-to-be-seen condition Ultralord action figure when Cindy asks how Sheen knew it was in the condition box.