A merman from a far - off part of the ocean. He could have unique powers, like the ability to control the tides. He might befriend Ariel and join her on her adventures, or he could be a rival for her affections.
A wise old sea turtle could be a new character. He could be the one who gives the mermaid advice about the human world and warns her of the potential dangers.
One possible fanfiction could be that Ariel and Eric discover a hidden underwater kingdom that was lost long ago. They embark on a journey to learn about its history and find that it holds the key to a magical power that can save both the underwater and land worlds from a new threat.
The main characters are Ariel, a mermaid who dreams of the human world; Prince Eric, the human that Ariel falls in love with; and Ursula, the evil sea witch who makes a deal with Ariel.
Ariel is the key character, with her red hair and a thirst for life on land. Prince Eric, the handsome prince from the human world, is important as he is the love interest of Ariel. Ursula, the devious sea witch, plays a major role. She is the antagonist who tries to stop Ariel from achieving her dreams. Flounder, Ariel's fish friend, is also an important character. He accompanies Ariel on her adventures and provides some comical relief. And Sebastian, the crab, is another significant character. He is often trying to keep Ariel out of trouble while also following King Triton's orders.
In the original 'Ariel Little Mermaid' story, the most prominent character is the little mermaid. She has a strong will and a deep longing for the human world. The prince, a handsome but perhaps a bit oblivious young man, is an important character as well since he is the focus of the mermaid's love. Her sisters also feature prominently. They are all mermaids like her and they have a sisterly bond. They are worried about her when she makes her dangerous deal to become human and are part of the story's emotional fabric.
The main characters are Ariel, the little mermaid herself, the prince she falls in love with, and the sea witch.
Ariel is central to the story. She's brave and curious. King Triton, her father, is also important. He tries to protect Ariel and keep her in the mermaid world. Ursula is a key villain. She's devious and uses Ariel's desires against her. Also, Prince Eric is important as he's the object of Ariel's love and in the end, part of her new life.
A sea turtle that has seen many centuries pass could befriend Melody. The sea turtle could tell her stories about the ancient times of the ocean, give her advice on how to handle difficult situations, and guide her through some of the more dangerous areas of the ocean that are filled with magic and mystery.
The actress playing Ariel in the Little Mermaid story is Halle Bailey. She has been praised for her portrayal and has given the character a unique charm.
Often, in fanfiction, Ursula can still be a main antagonist. She might come back with a new plan to break up Ariel and Eric, maybe using a different form of magic or disguise this time.