Hogwarts Legacy became a grateful target for the modding community immediately after its release. The result is countless different mods for the PC version of the game. For example, the currently tested one is worth paying attention to multiplayer for up to 10 players or ambitious VR mode. As expected, it was only a matter of time before someone tried to add well-known characters from the book to the game.
As a reminder, Hogwarts Legacy is taking place long before Harry Potter was born and his friends. Individual characters from books and movies do not appear in the game. However, modifications can change this fact. Modifications probably work best so far Classic Harry Potter for Hogwarts Legacywhich inserts a Harry Potter model from an unspecified older game into Hogwarts Legacy.
Other mods try to work with the editor itself in the game. His modifications created, for example, Hermione model. You can find a large number of other modifications at the Nexus Mods website.