Gwen Tennyson

Gwen Tennyson
Gwendolyn "Gwen" Tennyson is the deuteragonist of the Ben 10 franchise. She is the human/anodite hybrid Plumber, the paternal first-cousin of Ben Tennyson, and (along with Kevin Levin) a frontline member of his team.

She is voiced by Meagan Smith in the original series and Ashley Johnson, who also voices Ellie in the (The Last of Us), Jinmay (SRMTHFG!) and Terra in (Teen Titans 2003). Renet (TMNT 2012) and Gretchen Grundler. Then she is voiced by Galadriel Stineman in "Ben 10: Alien Swarm".