In episode 4, Doctor Mazenda created a new model of Jimmer named "Dummy Men" which are able to disguise themselves as humans in order to to perform covert operations.Ep. 4: Expose! The Dummy Man One such Dummy Man in episode 13 malfunctioned when exposed to a poison gas sample Volt was developing, causing him to break free of Volt's control and flee. Found by Megumi and Colon, the rogue Dummy Man fell in love with Colon and ultimately sacrificed his own life to save her from Poison Gas Brain Beast.