Ben 10 Planet

Gwendolyn Tennyson

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The characters and/or events depicted in this article are non-canon to the main series' continuity.
The characters and/or events in the storyline depicted in this article have been removed from the main continuity.

Gwendolyn Tennyson was originally Ben 10,000 and Kai Green's daughter and Ken's sister.


In Ken 10, Gwendolyn was seen at Ken's 10th birthday party along with Ken's friends.



  • In Ben 10,000, Gwendolyn appeared during the battle with Vilgax. This was probably an error as Ken 10 is set 12 years after the episode so she would not have been born or would have been a baby.
  • According to Dwayne McDuffie, Gwendolyn and her brother were named after Ben's cousins, Gwen and Ken.
  • According to Derrick J. Wyatt, Ben 10,000 does not have Gwendolyn as his daughter in Omniverse.[1]