Ben 10 Fan Fiction Wiki
Ben 10 Fan Fiction Wiki
Gwen Tennyson
Gwen tennyson alien wars redesign.png
General Information
Species Anodite (genetically Human)
Home World Earth
Residence Bellwood
Age 15
Affiliations Alien Force
Occupations Hero
Powers and Abilities
Abilities Mana Manipulation
Mana Absorption
Mana Detection
Mana Field Communication
Mana Telekinesis
Mana Flight
Relatives Frank Tennyson (father)
Natalie Tennyson (mother)
Ben Tennyson (cousin)
Max Tennyson (grandfather)
Glitch (cousin)
Carl Tennyson (Uncle)
Sandra Tennyson (Aunt)
Lady Wilhelmina Warwick (English cousin)
Kathy (Aunt)
Dave Tennyson(Uncle)
Bob (Uncle)
Alfred Lord Tennyson
Rita (Grandma)
Alternate Counterparts Gwen Tennyson (Prime Timeline)


Gwen is a girl with red hair worn in a high ponytail, with green eyes, and fair skin. She is commonly shown wearing a blue tank top with a cat logo on her chest, a blue skirt with long white striped socks.




Ben Tennyson

Ben and Gwen has an ok relationship. After the incident, Gwen and Ben have become distant from each other the incident had caused her to hate Ben on some levels, but when earth and the universe was threatened again, Ben and Gwen reunited.


Kevin Levin

After the events of Ben 10 versus the Universe, Kevin had disappeared and they didn't see each for five years. They meet each other again and she thought he could be helpful to stop Kyra and changed, but Ben refuses to work with Kevin, but when Kevin saved her from Kyra she instantly trusted him and over time gained feelings for him.

Elena Validis


At some point after the reboot, after Ben had the Omnitrix removed, Gwen had lost all trust in Ben and hasn't seen him in five years.

Powers and Abilities

Mana Manipulation and Energy Control

Gwen can create energy blasts, streams, waves and bolts, as well as energy force-fields, shields and barriers. Her powers are mainly used like energy constructs, allowing her to make many different types of structures like, blocks, blades, and orbs.


Gwen has only had her powers for 2 and a half years. As such, she is still inexperienced with her powers.

Gwen’s mana force field can be destroyed with enough force.


Season 1

  • None.


  • Gwens Birthday is December 27, 2006.