In the original 1989 animated film, Ursula acts as the main antagonist. Portrayed by Pat Carroll, she plays a major role in the story by tricking Ariel and transforming her into a human.

Determined to be with her new love, Ariel makes a dangerous deal with the sea witch Ursula to become human for three days. But when plans go awry for the star-crossed lovers, the king must make ...

Ariel’s fascination with the human world often leads her to the sea ... Ariel runs away and strikes a deal with Ursula, Triton’s evil witch of a sister, to experience the life she dreams ...