Who are the popular characters in 'Harry Potter grows up fanfiction' besides Harry?

Hermione could be another main character. Maybe she discovers what's happening to Harry and the author and tries to find a way to reverse it or at least understand it better. She could use her vast knowledge of magic to research the phenomenon.

There could be the caretaker of the orphanage. This person might be a strict or kind figure who has a significant influence on Harry's early life. They could be either a source of support or a constant obstacle for Harry.

A forest nymph could be important. She might guide Harry through the forest, teaching him about the plants and their magical properties.

Fred and George Weasley are also favorites. Their mischievous nature can be amplified in fanfictions. They could create new and even more spectacular magical pranks specifically aimed at Umbridge, like turning her office into a never - ending maze of trick stairs and hidden rooms filled with various magical creatures that drive her crazy.

Hermione is always popular. In these fanfictions, she might play an even more important role in helping Harry adjust to being a girl. Ron could also be a significant character as his reactions to Harry's transformation can add humor and depth to the story. Also, Luna Lovegood might be interesting as she could have some unique insights or interactions with Harry in her new form.

The main characters would be Harry and Lily. But it's possible that we could also see some appearances from the Marauders in flashbacks. Since Lily was friends with them, they could be part of the backstory. Also, Dumbledore might be involved in some way, perhaps as a guiding figure from afar, still looking out for Harry's well - being and the safety of the wizarding world.

Hermione could still play a major role. She might be the first person to reach out to Harry when he finally enters the wizarding world. Since Harry grew up alone, he would be very different, and Hermione's inquisitive and helpful nature would be drawn to him. She could help him catch up on all the things he missed out on growing up alone.

Hermione could still be a common character. Even in fanfiction where Harry is alone, Hermione might be mentioned in his thoughts or in flashbacks as someone who has influenced him. For example, he might recall her advice on how to study magic when he is facing a difficult spell alone.

Hermione could be a main character. She would be the one trying to figure out the magical theory behind Harry's cocoon - building and wing - growing. She might be researching in the library, looking for any mentions of similar phenomena in ancient magical texts.

Maybe some of the Hogwarts professors like Professor Sprout. After all, she's the Herbology teacher. She could give Harry some expert advice on how to grow different kinds of food plants. She might even let him use some special greenhouses or tools in the school for his food - growing projects.