Hermione would be a great supporting character. She could be the one who first notices Harry's interest in becoming a girl and offers her support. She might share her knowledge of magic that could help Harry in his transformation, like spells for changing appearance or potions that can affect one's gender characteristics in a more subtle way. Also, she could provide emotional support, being a good friend and listening to Harry's concerns about how others will react.
There could be a mechanic named Tom. He helps Harry keep his helicopter in top shape. Whenever Harry has a problem with the helicopter, Tom is there to fix it.
Luna Lovegood could be a supporting character. She has an open - minded and unique perspective. She might support Harry in his defiance, understanding his reasons when others don't. Maybe she helps him see things from a different angle or provides some crucial information that validates his decision to defy Dumbledore.
Hagrid could be a great supporting character. He could bring some interesting magical creatures for Dumbledore and Harry to interact with. For example, he might bring a baby dragon that Dumbledore could use to teach Harry about the care and danger of such powerful creatures.
Her best friend from school could be a great supporting character. They could provide a normal perspective and also be someone Spider Girl can confide in. Another could be an older superhero who acts as a mentor to her, guiding her through the challenges of being a superhero.
Hermione would likely be a supporting character. She might use her vast knowledge of magic and research skills to help Harry figure out where to go and what to do on his journey to save Voldemort. For example, she could dig up ancient texts about dark magic that might hold the key to Voldemort's salvation.
Balin could be a great supporting character. He is wise and could offer advice to Thorin and Bilbo as they explore the mansion. Maybe he knows some secrets about the place from his past.
Hermione would definitely be a major supporting character. She'd be using her vast knowledge to help Harry throughout the pregnancy.
Hermione could be a great supporting character. She would be the one to give Harry advice on his relationship with Gabrielle, using her logical mind. Ron might also be there, providing some comical relief with his typical Ron - like comments. Fleur, Gabrielle's sister, would obviously play a major role as well. She would be protective of Gabrielle at first but then come to accept Harry as a suitable partner.
Fleur would definitely be a major supporting character. As Bill's wife, she would play an important role in Harry's new family life. She could teach Harry some French magic or wizarding traditions. The other Weasley siblings could also be supporting characters. They might visit often and continue to be like Harry's extended family. Charlie could come and share his dragon - taming stories with Harry, adding more excitement to Harry's new life.
Hermione would likely be a main supporting character. She would be there for Harry, giving him advice about his relationship with Cedric. She might also help them with any magical research or problems they encounter. Ron could also be a supporting character, perhaps at first being a bit confused or skeptical about Harry's relationship with Cedric, but eventually coming around and being supportive, like at their wedding.