Main Characters
The Trio (Harry James Potter)
Hogwarts
Gryffindor | Slytherin (Draco Malfoy) | Ravenclaw | Hufflepuff | Hogwarts Staff (Albus Dumbledore | Severus Snape)
Order of the Phoenix
Order of the Phoenix Members | Marauders (Sirius Black)
Death Eaters
Lord Voldemort | Death Eaters (Inner Circle)
Others
Ministry of Magic (Dolores Umbridge) | Muggles Magical Beings | Animals and Pets | Other Characters | Fantastic Beasts | Hogwarts Mystery | Other Canon