Gwendolyn Catherine Tennyson is an anodite and Ben Tennysons cousin she is currently in a relationship with Kevin Levin.


Gwen is kind hearted and loyal to Ben she loves Kevin Levin deeply.


Gwen can control Magic and Mana also other energy substances

Ben 10: Omniverse Good VS Evil

Ben 10 Omniverse: Good VS Evil

  • New Beginnings: She appears through the episode arguing at Ben because he thinks he is a solo hero she later fights Khyber and wins.
  • A Plumber's Betrayal: Gwen encourages Rook to be confident when meeting Nova she llater fights Kalibur and succeeds when Magister Laxine helps.
  • Piscciss Under Attack: Gwen fights the cyborgs and is later injured she is later healed and leaves.
  • Dr Animos Mutation: Gwen fights Dr Animo.


  • New Beginnings
  • A Plumber's Betrayal
  • Piscciss Under Attack
  • Dr Animos Mutation


  • Her powers have grown in the new series.
  • She always misses Kevin whilst he is on Osmos V.
  • Gwen appears to have mentioned that she wants Kevin to propose to her.
  • Gwen will play a big part in the Ben 10: Omniverse Good VS Evil Movie.


Picture is made by Donotmesswithme on deviantART.

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