URSULA Origin: The Little Mermaid (1989) Ah, the beginning the Disney Renaissance. A time of renewed hope and ambition. A time of threat that Don Bluth is eating into profits. Motivation: In the source material, the sea-witch’s sole purpose is as a business broker. But here, she’s out for vengeance. Triton apparently banished and exiled her (for reasons unknown — trivia and sequels aren’t canon in this analysis) and wouldn’t she love to wreak havoc on his youngest daughter. A pretty good way too. Why make the object of your ire suffer when you can get a two-for-one? My only complaint is, like other Disney villains, I would have liked…