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) his happiness, and he returns with Ariel to convince Triton to change his mind. When the film ends, music is restored to Atlantica, and Sebastian becomes the "royal court composer", setting up his role in the original film. Sebastian appears in almost every episode of the prequel television series. Sebastian is shown as being a good friend of Ariel and Flounder. He is sometimes strict and often critical of Ariel's adventurous ways, but often ends up going on her adventures with her. Throughout the series, Sebastian's character is further developed via dialogue and entire episodes dedicated to him. In the