Ursula (The Little Mermaid) she can ultimately replace the mermaid's father King Triton as ruler over Atlantica. Created by directors and screenwriters Ron Clements and John Musker, Ursula is based on the sea witch character who appears in the fairy tale "The Little Mermaid" by Hans Christian Andersen. However, her minor role was greatly expanded into that of a much more prominent villain for the film. Disney had struggled to cast Ursula for a year, during which the role was well sought after by several coveted television actresses at the time. Clements and Musker disagreed with lyricist Howard Ashman about who should voice the
Sebastian (The Little Mermaid) collection of human things in a rage. Feeling guilty for having betrayed Ariel's confidence, Sebastian follows Ariel when she visits Ursula the sea witch for help, and later helps her quest to win Prince Eric's affections. After Ursula disguises herself as the human Vanessa and wins over Prince Eric, Sebastian goes down to inform King Triton, and later becomes instrumental in helping Ariel and Prince Eric defeat Ursula. In the , Sebastian is tasked by King Triton to watch over Ariel's daughter, Princess Melody, repeating his role from the original film. In the , Sebastian is initially shown as a