Captain America is often a main character. Since he was a key figure among the rogue Avengers, his leadership and moral compass play a big role in stories about their pardon. Also, Iron Man might be prominently featured as he was on the opposing side during the conflict.
The main characters are usually those who were directly involved in the rift. So, in addition to the ones mentioned, Falcon could be a key character. He has a close relationship with Captain America. Scarlet Witch might also be important as her powers are significant. In these fanfictions, their character development post - pardon, like Scarlet Witch learning to control her powers better in a more positive environment, can be a central focus.
One possible plotline could be the process of how the rogue Avengers are pardoned. Maybe they have to complete a series of dangerous missions to prove their loyalty again. Another could be the internal conflicts within the group as they adjust to being pardoned and reintegrated into society.
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.
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.
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.
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.
Since it's based on 'The 7 - Percent Solution', Sherlock Holmes and Dr. Watson are likely to be main characters. They are iconic figures from the original work and would be central to any fan - created stories that draw from it.