Rex

Rex is a green Hasbro dinosaur and a loyal member of Andy Davis's toy collection in the Toy Story franchise, but formerly switch to Bonnie Anderson's collection with Woody an his gang. Created by Joss Whedon, Rex has a similar build to the Dino-Riders toy line's Tyrannosaurus. Despite his tough exterior, Rex is a gentle, caring dinosaur with a strong vocabulary. However, he's also absent-minded, prone to anxiety, and lacks self-confidence. He secretly fears Sid Phillips and being replaced by another dinosaur.