Ben 10's wife is Kai Tennyson.
In the Ben 10 franchise, specifically as depicted in future timelines such as the one shown in Ben 10: Omniverse, Ben Tennyson, the wielder of the Omnitrix, marries Kai Tennyson.
Based on the provided reference, Kai Tennyson is confirmed to be Ben's wife in the future. She is also identified as the mother of their children, Ken and Gwendolyn (though the latter name is sometimes associated with Ben's cousin, future timelines can vary). Importantly, the reference clarifies that this future wife, Kai Tennyson, is the future version of a character Ben knew earlier in his life, Kai Green.
Key Facts About Ben's Wife
Here's a quick overview of Ben Tennyson's wife in the future timeline:
- Name: Kai Tennyson
- Original Identity: Kai Green
- Role: Ben's wife
- Family: Mother to their children, Ken and Gwendolyn
- First Appearance (as Kai Green): Ben 10 (original series)
- Status as Wife Confirmed In: Future timelines depicted in Ben 10: Omniverse
Who is Kai Green?
Kai Green was first introduced in the original Ben 10 series episode "Benwolf" (later retitled "Skinwalkers"). She is the granddaughter of Max Tennyson's old friend, Wes Green, and is part Native American. Ben first met Kai when seeking help related to a werewolf-like transformation. They had a complicated relationship from the start; while Ben developed a crush on her, Kai was initially more interested in his alien forms, particularly Benwolf.
Throughout the different Ben 10 series continuities, Ben has had various potential love interests. However, future glimpses within the official timeline, notably in Ben 10: Omniverse, solidify that his relationship with Kai Green eventually evolves into marriage.
Their Future Together
The Ben 10: Omniverse series provided significant insight into Ben's future. It confirmed his marriage to Kai and showed them having a son, Ken Tennyson (named after Ben's grandfather, Verdona's husband). Kai in the future is portrayed as a capable individual, often shown working alongside Ben or involved in their family life. The future timeline in Omniverse specifically presents Kai as the definitive answer to who Ben Tennyson eventually marries.
| Role in Ben's Life | Future Name | Past/Original Name | Notable Fact |
|---|---|---|---|
| Wife | Kai Tennyson | Kai Green | Mother of Ken and Gwendolyn |
Understanding their relationship requires looking at their interactions across the different series, from their first meeting in the original show to the future timeline shown in Omniverse, where they are a married couple with children.
