What are the names of characters that begin with the letter H in The Little Mermaid?

In "The Little Mermaid," characters that begin with the letter H include King Triton's daughter, Ariel, who is often associated with her friends and family. However, the most notable character is Ursula's henchman, Flotsam, while another character named Horace appears in some adaptations. Additionally, the name "Sebastian" is often linked, but he does not start with an H.