Kai Green is a human from Earth in Ben 10.


In Ben 10: The Omniwars, she has her Omniverse appearance, but with her hair let out, and she now wears full khaki pants and black gloves. In her Loboan form, she has pink eyes, a red and black shirt, and khaki shorts. She does not have a long mane.

In Ben 10: Unbound , she has her Omniverse appearance but her hair is let down and has different earings. Her khaki pants are longer but are short.

In Bellwood: The Animated Series She has her Omniverse appearance, but she wears a long-sleeved shirt and a tight khaki skirt.

In Ben 10 Evolution Generation She has her Omniverse appearance but she doesn't have the plates on her thighs.

In Ben 10: Cosmic Force, she has her Omniverse appearance but she wears a white and red cheerleading uniform and sneakers.


Ben 10: The Omniwars

Ben 10: The Omniwars

Ben and Kai went on separate terms after Ben revealed that he was going away to Madison Tech, several states away from Bellwood. However, Kai is still good friends with Ben and contacts him daily. Later on, Ben and Kai will have a conflict concerning Ben's new relationship with his classmate, Samantha Everhart, which she never knew about.

John Smith 10

She is one of John Smith's love interests, being the second one after Julie. She becomes a Plumber, and befriends and "tames" Yenaldooshi, who is always with her after his first appearance.


Galactic Battle

Terry 12

Kai is Terry's first and currently only love instrest.



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