Ursula is a cunning, manipulative sea witch from Disney's animated film "The Little Mermaid." Known for her distinctive purple skin and tentacles, she plays the role of the primary antagonist. Ursula makes a deal with the protagonist, Ariel, offering to transform her into a human in exchange for her voice. Her character is characterized by her ambition for power and control over the ocean. With her magical abilities and deceitful nature, Ursula is a classic villain who challenges Ariel's dreams, adding depth and conflict to the story.