Rex is a supporting character in the Toy Story franchise. He is a plastic Tyrannosaurus Rex, who served as the protagonist of Partysaurus Rex. Rex is insecure about his lack of ferociousness, as he's not scary enough and seems to just be annoying. Rex's worst fear (after Sid) is that Andy may gain another, scarier dinosaur to replace him.
After saving all toons, Chip and Dale find out about a war between 3D and 2D toons, and that Gorefield is trying to kill everyone, now they must team up with Peter Pan to stop him, it's gonna be a full war.
