Jennifer "Jen" Doyle is one of the recurring characters in Superhuman Samurai Syber-Squad. A cheerleader at North Valley High School, she is Sam Collins's on-again/off-again girlfriend with Malcolm Frink as his competition for her affections.
In What Rad Universe! when Sam ends up in the alternate universe, Jen is a genius who likes a befriending Malcolm and helps Sam get back to his normal universe.