Gwen Tennyson
Intelligent cousin and magical ally of Ben Tennyson.
Gwendolyn "Gwen" Tennyson, also known as Lucky Girl, is a fictional character from Cartoon Network's Ben 10 franchise, created by Man of Action. She is the paternal first cousin and best friend of the title protagonist Ben Tennyson, serving as a core member of his team in numerous adventures to protect Earth and the universe. A highly intelligent martial artist, Gwen develops magic abilities that are later revealed to be alien in nature, inherited from her paternal grandmother, Verdona.
- First appearance
- Ben 10 (2005–2008)
- Voiced by
- Meagan Smith (10-year-old), Ashley Johnson (teenage), Montserrat Hernandez (2016 reboot), Tara Strong (alternate future version)
- Portrayed by (live-action)
- Galadriel Stineman (Ben 10: Alien Swarm)
- Species
- Human-Anodite hybrid
- Known for
- Being Ben Tennyson's cousin and ally, wielding magic and Anodite energy powers
- Alias
- Lucky Girl
Lore & Background
In Ben 10: Ultimate Alien (2010–2012), Gwen releases her inner Anodite again against Zombozo, growing to gigantic size. She discovers her near-identical cousin Sunny is also an Anodite and encounters Charmcaster and Darkstar in a romantic relationship. In Ben 10: Omniverse (2012–2014), Gwen attends Friedkin University, with a reformed Hex as a teacher, and is reduced to a supporting role. The 2016 reboot re-imagines Gwen as a 10-year-old, with Lucky Girl existing as an in-universe multimedia franchise she is a fan of.
Reader's Guide
Gwen Tennyson is significant as a key supporting character in the Ben 10 franchise, evolving from a bickering cousin to a powerful magic and energy-wielding hero. Her character demonstrates growth in intelligence, martial arts, and emotional maturity, forming deep bonds with Ben and Kevin. Her Anodite heritage adds a layer of alien mythology to the series, and her role as a female hero who relies on brains and magic rather than brute strength offers a distinct counterpoint to Ben's alien transformations. The character's legacy includes multiple voice actresses and a live-action portrayal, as well as inspiring the design of Patrice Blazing in the Plants vs. Zombies comic series. Gwen remains a fan-favorite for her competence, loyalty, and occasional hot-headedness.
Did You Know?
- Gwen was originally developed as a classmate of Ben's before being changed to his cousin.
- Her original design, including a yellow t-shirt and ponytail, was inspired by the original design of Ben Tennyson.
- Gwen's powers are derived from her paternal grandmother Verdona, an energy being known as an Anodite.
- She suffers from both arachnophobia and claustrophobia.
More in Characters & Aliens
Elsewhere in Ben 10
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