Gwendolyn "Gwen" Tennyson is a Human/Anodite hybrid Plumber, the paternal cousin of Ben Tennyson, and (along with Kevin Levin) was a front line member of his team during the first 3 shows. Gwen was first introduced when her parents sent her on a summer-long road trip with her Grandpa Max and her cousin Ben. She has, as Verdona refers to it, "The Spark".

In Ben 10: Omniverse, like her boyfriend Kevin, sixteen-year old Gwen is a recurring character rather than a main one, as she went off to an Ivy League college, but visits occasionally

On Alex 10 she has responsibility to teach Alexander to become hero

Gwendolyn Tennyson
20180601 230055.jpg
General Information
Species Human/Anodite
Home World Earth
Residence Bellwood
Age 17
Affiliations Plumbers
Occupations College Student (Formerly),Alex's mentor
Powers and Abilities
Abilities Anodite transformation,skilled martial artists
Relatives Frank Tennyson (father)
Natalie Tennyson (mother)
Carl Tennyson (uncle)
Sandra Tennyson (aunt)
Kenneth Tennyson(older brother)
Ben Tennyson(cousin)
Max Tennyson (grandfather)
Eunice(genetic copy)
Joel Tennyson(cousin once removed)
Clyde Fife(second cousin)
Lucy Mann (cousin-in-law)
Alexander Tennyson (younger brother)
Voice Actor Ashley Johnson
First Appearance [[Alex 10]]


She has her OV looks but with UA clothes in Season 1 with OV college clothes


Her personality has unchanged Omniverse but she is more intelligent,loyal,mature


Former S01 Gwen.jpg
Her Anodite form.jpg


Community content is available under CC-BY-SA unless otherwise noted.