Who could be the main characters in 'harry is adopted by the butterfly's fanfiction' aside from Harry?

Hermione and Ron would likely still be main characters. Hermione would use her intelligence to help Harry understand his new identity and its implications. Ron, with his loyalty, would stand by Harry through any difficulties that come his way. There could also be Death himself, who might make appearances to guide or test Harry. And perhaps Dumbledore, as he always has a role in Harry's life in the wizarding world, could be involved in helping Harry navigate this new revelation.

Well, perhaps in this fanfiction, the butterfly could be some sort of magical or supernatural being. Maybe Harry is found in a desolate place by the butterfly and taken to a strange but wonderful new world where he has to learn new rules and powers. It could also be that the butterfly is a symbol of a group or a family, and they take Harry in to protect him from the dark forces that are after him in the original Harry Potter universe.

Hermione would surely be involved. She could be Harry's research partner, helping him find relevant medical information in books and scrolls. Her intelligence and thirst for knowledge would be very useful in exploring new areas of medical magic. Another character could be Madam Pomfrey. She could be Harry's mentor, teaching him the basics of wizarding medicine and guiding him in his new role as a medic.

Hermione would surely be there. She might be a fellow professor, teaching a subject like Transfiguration or Ancient Runes. She could be Harry's confidante and help him with academic matters at Hogwarts. Also, Ron could make an appearance, perhaps as a visiting lecturer from time to time, sharing his knowledge of wizarding chess and other aspects of wizard culture.

His child, of course. Depending on the story, the child could be a young boy or girl. If it's a boy, he might be eager to learn magic from his father and get into all sorts of mischief at Hogwarts when he's old enough. If it's a girl, she could be more interested in the magical creatures and want to follow in Hagrid's footsteps.

Hermione would most likely be one of the main characters. She's always observant and caring towards Harry. So when she notices something is off with Harry, she would do everything in her power to figure out what's wrong and help him. She might use her extensive knowledge of magic to find a solution to his emotional distress.

The dragon, of course, is a major character. It could be named something unique like 'Fyrstorm'. There might also be Hermione and Ron. Hermione would probably be worried about the legality and danger of raising a dragon, while Ron might be both scared and a bit excited about it.

Harry is the central character as the one being adopted. The Castle family members, such as the parents in the family, are main characters too. There could also be other family members like siblings or grandparents who interact a lot with Harry and shape his new life in this fanfiction world.

Obviously, Harry Potter is one of the main characters as the story is about him being adopted. Sirius Black could also be a main character, as he is part of the Black family and might play a big role in Harry's new life.

Harry is the central figure, but there might be a leader in Zeltech who plays a major role in the story. This leader could be a wise and powerful figure who sees something special in Harry. There could also be other young members of Zeltech who become Harry's friends or rivals as he adjusts to his new life.