Sebastian is a red Jamaican crab in the movie The Little Mermaid. He is a major character in the story and serves as King Triton’s advisor and conductor of his orchestra. Despite his small stature, he is fierce and often finds himself getting in trouble with Ariel, the headstrong mermaid who is determined to explore the world above the sea. With his distinctive accent, musical talents, and charming personality, Sebastian has become one of the most beloved characters in Disney history.