Steelix

Steelix was Jen's original  partner  who betrayed Time Force by selling secret informaiton to Ransik. When Jen found out, she brought him in. Steelix  was sentenced  to cryo-freeze, and swore vengeance on Jen. When the Rangers try to set up Steelix, Jen is greeted by a jack in the box of Steelix, telling her to meet him that night at a warehouse. Jen sneaks off to the warehouse without telling the Rangers, and is changed into evil by Steelix's gas. Steelix is ultimately taken down by the Shadow Force Megazord.