Ben 10 Fan Fiction Wiki
Ben 10 Fan Fiction Wiki
General Information
Species Human
Home World Earth
Powers and Abilities
Abilities Enhanced Strength
First Appearance Last Laugh

 Thumbskull is a Human from the planet Earth in Ben 10.


He is a buff green skinned person with a black outfit. 

Thumbskull in the original series.

In Ben 10: The Omniwars, he has his Omniverse appearance, but the toe on his head is now yellow and rotten. He wears a new suit, which consists of purple sleeves with black stripes.

In Ben 10: Unbound, he has his original series appearance but with his Omniverse outfit. He is now more buffer and his toenail is bigger and rotten.


Ben 10: The Omniwars

Ben 10: The Omniwars

Thumbskull will return in the third season.