A former Hogwarts student who becomes a dark wizard, known for his charm and intelligence, and his connection to Salazar Slytherin.

A celebrity author who becomes the new Defense Against the Dark Arts teacher, known for his good looks and penchant for self-promotion.

One of Harry’s best friends, noted for her intelligence, bushy brown hair, and diligence in her studies, who often helps solve the mysteries they face.

Harry's best friend and Hermione's companion, recognized for his red hair and humorous, loyal nature, and his shared interest in Quidditch with Harry.

A house-elf known for his conflict between obedience and independence, characterized by an undeferential demeanor and association with the Malfoys.

Ron’s younger sister, starting her first year at Hogwarts, noted for her shy demeanor and eventual involvement with the events surrounding the Chamber of Secrets.

A large man serving as the Hogwarts gamekeeper, known for his affinity with magical creatures and his role as a friend to Harry and his friends.

The headmaster of Hogwarts, known for his wisdom, eccentric appearance, and supportive nature towards his students.

A wealthy wizarding family who hold strong beliefs in the superiority of pureblood wizards, primarily represented by Lucius and Draco.

A ghost living in a girl's bathroom at Hogwarts, who is known for her sensitivity and tendency to be easily upset.

Harry's non-magical relatives known for their conformity and lack of acceptance of the magical world, serving as Harry's guardians during the summer.