Who are the main characters in the 'harry becomes a powerful lord fanfiction' besides Harry?

Sirius Black's relatives would be likely characters. For example, Kreacher, the house - elf of the Black family. He could play an important role as he has a deep knowledge of the Black family secrets and the Black family manor. Also, Narcissa Malfoy, as she is related to the Black family, might be involved. She could either be an ally or an adversary to Harry depending on how the story unfolds.

Hermione would definitely be one of the main characters. She would be trying to research a way to either reverse Harry's transformation or help him control his werewolf side. Ron might also be there, at first a bit scared but then standing by Harry's side.

Dumbledore might play an important role as well. He would be guiding Harry through this new and strange situation. He could have some secrets about the Lord of Azkaban that he reveals to Harry over time. Also, some of the Azkaban guards or prisoners could become significant characters as Harry tries to reshape Azkaban.

Hermione would likely be a main character. She might support Harry in his new role as a divination teacher, perhaps helping him to research and find more scientific ways to approach divination.

Hermione would surely be one of the main characters interacting with Harry. She might try to bring him back from the dark side, constantly arguing with him about his choices and trying to remind him of their old friendship and the good they used to fight for.

Obviously, Harry Potter is the main character. His journey as he becomes Lord Potter and how it changes his life is the central focus.

The members of Wildwind would surely be important characters. They could interact with Harry, maybe give him backstage passes or even ask him for his opinion on their new songs.

There could be new characters introduced, like old family retainers of the noble family Harry is now part of. Maybe an old wizard who serves as an advisor to Harry on matters of the lordship. And of course, some antagonists such as rival lords or wizards who don't want Harry to gain too much power.

There could be the mafia boss. He might be a tough and shrewd character who takes Harry under his wing at first but later becomes suspicious of Harry's actions. Another main character could be Harry's best friend in the mafia. They go through all the dangerous and exciting adventures together, and this friend might have different views on the mafia life compared to Harry.

There could be a doll collector named Alice. She might be Harry's friend or rival, always competing to get the best dolls in the story.