|Species||Evolved Tyrannosaurus Rex (Chicken)|
|Alternate Counterparts||T-Rex - Normal form|
|Powers and Abilities|
|Voice Actor||A chicken|
|Users||Ben Tennyson (BTSF)|
|Series||Ben 10: Stupidity Force |
Ben 10: Stupidity Force: End Of Omnivangelion: Future
|First Appearance||Prehistoric Park|
Ultimate T-Rex is a Evolved Tyrannosaurus Rex (or a chicken) from the planet Earth in Ben 10: Stupidity Force and Ben 10: Stupidity Force: End Of Omnivangelion: Future. He is the Ultimate form of T-Rex.
He looks like a small white chicken with an Omnitrix symbol.
- Eating seeds
He is very yummy if he is fried.
Also he's literally just a chicken.
- Prehistoric Park (debut)
- Season 2 Pilot
- Another Ultimate Problem (sentient; as a villain)
- Time Squeals
- A Very Stupidity Force Christmas
- Cooking with Ben (fan episode)
- And Then There Were Ben 10: Stupidity Force: End of Omnivangelion: Future (debut, used by Crazy Ben)