Assault Chicken

Name it blueberryrex.

Megatron (if Tek)

Rex of destruction

Lukeiamyourfather

I Don’t Bite

Tyrant god

Rexeratior

Tyrranus

Tyrrana(if female)

Therepod God

T-giga

Trentus

Any big mountain like Everest

Any of the Greek gods

Dagger good mom for Rex

Megatron (if purple yesss)

Rex Roll

Mortem (Jurassic world alive)

Keep the name REX

Tyranto if male tyrantina if female

Ice fang

Grimlock_from_transformers_if_it_is_tek

Rexy (from night at the museum)

Alpha,Megabite,Omega

Kisses