Crocodile is the minor antagonist of 1996 film The Boy and the Raccoon. He attempts to eat the baby named Emmet Reese, he was beaten up and defeated by the baby Emmet Reese.
Obviously, don't nominate any human characters. Hybrids like Cheetah or The Lizard are okay, as are shapeshifters with one set animal form (eg Professor McGonagall.)