Ursula
A Malevolent Sea Witch, she was once King Triton of Atlantica's fortune teller before she was banished for trying to usurp the throne with dark magic. She now feeds off of the dreams of hopeful Merfolk, turning them into polyps and imprisoning them in her garden.
Where is she from?
Ursula was the villain in the first movie of the new Disney renaissance, 1989's The Little Mermaid. There are actually a few different live-action takes on the character. and we can explore them here:
Comic Appearances
GND 062 - Sarah and Christine take a break from studying to visit Jareth and Erik, although the latter is hiding in the basement. Jadis's henchman Ginarrbrik has the door, and she's invited over Maleficent, Ursula & the Queen of Shadows. She soon gets into it with Sarah, reminding Christine of holidays with Raoul's family.