Carnotaurus, also known as Carnotaurs ("Meat-eating bull"), were a species of carnivorous dinosaur that lived in the Late Cretaceous period 72-69.9 million years ago in South America. They appear as the overarching antagonists of Disney's 2000 CGI film Dinosaur.
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.