The King of Enchanters' love interest, if there is one in the original concept or created by the fanfiction writer, is also a main character. This character can add a different dimension to the story, like a love triangle or a story of unrequited love. Another character could be an old mentor of the King of Enchanters, whose teachings and advice still influence him in the fanfiction. And sometimes, there are ordinary people who are affected by the King of Enchanters' actions and become part of the story.
Obviously, the King of Enchanters himself is a main character. He is often the central focus of the fanfiction, with his powers and actions driving the story. Then there are his loyal followers or apprentices. They play important roles in assisting him or sometimes causing trouble for him. There may also be rival enchanters who are constantly trying to undermine the King of Enchanters' authority or steal his secrets.
Obviously, Marshall Lee himself is the central character. He's the vampire king, so he drives the plot most of the time. Then there are often characters like Fionna, who might have a romantic or a friendship - related storyline with Marshall Lee. Prince Gumball can also be a main character in some fanfictions, usually as a sort of foil to Marshall Lee's dark nature.
Coco herself is, of course, a main character in most coco fanfiction. She is the center of the story, whether it's about her music career or her family relationships.
Willy Wonka is of course a main character. He is often depicted as an eccentric and brilliant chocolatier with many secrets. The Oompa - Loompas also feature prominently as his helpers in the factory, with their unique songs and personalities.
Obviously, the Wonderbird itself is a main character. Often, there might be a young wizard or witch who befriends the Wonderbird.
The main characters that usually show up in 2moons fanfiction include Dain. His role in the original is quite significant, and in fanfiction, he can be put into different situations. For instance, he could be involved in a mystery that was not part of the original plot. Also, Ronark is often seen, especially when it comes to stories about the leadership and power dynamics within the 2moons world.
Typically, the main characters from the original work on which the 'in a heartbeat' is based are often the main focus in the fanfiction. However, sometimes new characters can be introduced to add more depth or drama to the story.
Well, obviously Harry Potter himself is a main character. He is the center of most of these fanfictions as he takes on the role of the king of the wizarding world.
The Night King himself is obviously a main character in most of these fan fictions. But often, other characters from the 'Game of Thrones' universe also make appearances. For instance, Jon Snow might be in the story, as he had a significant role in the battle against the Night King in the original series. He could be on a quest to find a way to truly defeat the Night King, perhaps by seeking an ancient artifact.
Harry Potter is often a main character. Since he has a connection to the place through Sirius Black, he's frequently involved in the stories set in 12 Grimmauld Place. His experiences and growth as a wizard can be explored in the context of this spooky old house.
There could be a group of characters led by a wise elder. The elder has some knowledge about the dark below but not enough, so they all embark on a journey together. Each character in the group might have different skills like combat, magic, or navigation that are useful in the exploration.