Ben 10 Wiki
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Gwen Tennyson

Gwen Tennyson is the paternal cousin of Ben Tennyson. She helps out Ben in the fights, often being the brain to Ben's brawn. In the Classic Dimension, she learns magic and discovers latent powers related to mana manipulation. While in the Reboot Dimension, she is depicted as a normal human girl. She is one of the main characters in the Ben 10 franchise.


Reboot Gwen.png


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Alternate Counterparts

Future (Reboot)

Future Gwen Reboot.png

Evil Ben Dimension

Evil Ben Timeline Gwen.png

Gwen 10

Gwen 10 in AXT.png

Future (Original)



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No Watch Timeline

Ben10omni char 174x252 gwen.png

RAT Timeline

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Gwen 10 (What If?)

GBGR (What If?)