Gwen Tennyson.
Maybe
way big
You probably meant Ben 10's cousin who isGwendolyn "Gwen" Tennyson.
Gwen Tennyson, like her cousin Ben, is a human/Anodite hybrid.
I think it's cousin It
frank
Maybe
Rustbucket
way big
he doesn't have 1
Ben's cousin is Gwen Tennyson and Ben's Grandpa is Max Tennyson.
way big
Ben's cousin
ben is cousin of Gwen
His name is Benjamin Tennyson
You probably meant Ben 10's cousin who isGwendolyn "Gwen" Tennyson.
Alien X somepeople argue that it may be Waybig