Edit pencil This article is a stub. You can help by editing it.
Rebootomnitrixsymbol This article belongs to the Reboot Continuity
34497a3fe0ef52949a1ba8e99894ed69 Click here to see the Classic Continuity version of this article

Gwen Tennyson is the paternal cousin of Ben Tennyson.


Regular Appearances

Edit pencil This section needs expansion. You can help by adding information.

Gwen is a red-headed girl with green eyes and wears a white shirt under a blue shirt with a black cat face on it. She wears brown shorts, blue and white striped socks. She has blue and white shoes. She also wears a blue hairclip.

Occasional Appearances

During water-based activities, she wears a one-piece swimsuit and a pair of flip-flops the same shade of blue as her shirt.

In Brief Career of Lucky Girl, she wore a Lucky Girl outfit.

While riding on a Rustbuggy, she wears a blue helmet.

In Dreamtime, she wore pink pajamas.

In Welcome to Zombozo-Zone!, she wore a light blue princess gown with a darker blue bow on the front, a matching hat and puffy sleeves and blue flats.

In Beach Heads, she wore light-blue and white swimming shirt, blue swimsuit, and a pair of blue flip-flops.

In Which Watch, she wore a blue spacesuit.

In Introducing Kevin 11, she wore a grey shirt, yellow apron, and yellow and grey socks.

In Big Ben 10, she wore a deerstalker and coat over her ordinary clothes, a homage to Sherlock Holmes.

In LaGrange Muraille, she wore a yellow hat.

In Cirque-Us, she wore light-blue gown with blue ribbon belt.


Fights with Ben a lot, and is a bit tomboyish. When she is not fighting against him, she tries to help him. Sometimes, she helps him and fights with him at the same time. Kevin seems to have a crush on her even though he hates Ben.   


Edit pencil This section needs expansion. You can help by adding information.

Powers and Abilities

She is slightly more durable than an average human.[1]

Thinkering: She shows notable skill fixing and making electronics' devices.


Cat Pin: Gwen used a suit that was given to her by Phil[2], though it was later destroyed by Forever Knight.[3]

Hammer (piruette): She uses a big blue hammer.

Lucky Girl disguise.


She possesses a normal human weakness.


Ben 10



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