One possible main character could be a jock at McKinley High. He might be initially dismissive of fem Harry but later comes to respect her. There could also be a quirky girl who is into art and she becomes fem Harry's best friend. And let's not forget the school janitor who might have some secrets of his own and somehow gets involved in fem Harry's story at McKinley High.
Maybe there's a popular girl at McKinley High who at first is mean to fem Harry but then they become friends. There could also be a nerdy boy who is really into science or something, and he and fem Harry team up for a school project. And of course, there would be the principal who has to deal with any problems that fem Harry gets into.
There could be the typical high school bully. You know, the one who gives fem Harry a hard time when she first arrives at McKinley High. And then there might be a really nice teacher who takes fem Harry under their wing.
Maybe in this fanfiction, fem Harry would face typical high school dramas at McKinley High. She might struggle with making friends at first, just like any new student. There could also be some sort of rivalry with other students, perhaps over grades or popularity.
There could be a young Salem witch named Lily. She befriends Fem Harry Potter and shows her around Salem. Lily could be very knowledgeable about the local magic and help Fem Harry Potter understand the differences between Hogwarts magic and Salem magic.
Rainbow Dash might also be a main character. She's brave and loves adventure. She could take Fem Harry on some wild rides around Equestria and introduce her to the exciting parts of the world. They might even get into some friendly competitions.
Madame Maxime, the headmistress of Beauxbatons, could play an important role. She could be a mentor to Harry, guiding him in his new magical studies at Beauxbatons. She might also be involved in some sort of conflict or mystery that Harry has to help her solve, which could involve the relationship between Beauxbatons and other wizarding schools or some ancient magic within the school.
Besides Harry, Ginny could be a main character. She might be interested in the sports aspect of the Egyptian school, like their version of Quidditch. And there could be a local Egyptian student who becomes friends with Harry. This student could have a deep connection to the history of Egypt and help Harry understand the significance of certain magical sites in the country. They could explore ancient temples together and face various challenges along the way.
There could be an original character who is a descendant of the Uchiha that somehow ends up in the wizarding world. This character could teach fem Harry Potter about the Uchiha ways. Also, Dumbledore could play a role as he always encourages Harry's exploration of different knowledge, and he might be curious about the Uchiha knowledge that Harry is so interested in.
She might meet a powerful and mysterious wizard who has been hiding in Vegas for a long time. This wizard could be either a potential ally or an enemy. There could also be a group of young witches and wizards who are having their own adventures in Vegas and they all team up with fem Harry Potter for a wild ride full of magic, mystery, and fun.
It could be another female trainer who has a very different approach to Pokemon training. Maybe she focuses more on brute force while Fem Harry is more about strategy. For example, this rival might have a team full of strong but less intelligent Pokemon like Machamp and Golem, while Fem Harry has a more diverse and intelligent team. Their rivalry could be based on their different training philosophies and the desire to prove who is the better trainer.
Obviously, Fem Harry Potter would be the main character. But there could also be her friends like Hermione and Ron. Hermione might encourage her artistic pursuits and help her research about magical art forms from old books. Ron could be a bit skeptical at first but then become her biggest supporter.
Hermione could be one of the main characters. She might be initially skeptical about Fem Harry Potter's newfound interest in stage magic but then get drawn into it when she realizes it can be a new form of knowledge. Another could be Ron, who might find it all a bit strange but still support Fem Harry Potter out of friendship.