A talented and shy student at Brakebills, she becomes one of Quentin's close friends and is identified by her straight dark hair and reserved demeanor.

A charismatic and brilliant student at Brakebills, he becomes friends with Quentin and is known for his distinctive personal style and academic ease.

A mohawk-sporting loner at Brakebills, his real name is William, and he possesses the ability to teleport, which becomes significant in their adventures.

A confident and outspoken member of the Physical Kids, known for her leadership in their group activities and her dynamic presence.

A fellow student at Brakebills with a cheerful disposition, struggling with controlling his magic, yet often surprises others with his keen insights.

Quentin's childhood friend who initially fails the Brakebills Entrance Exam but remains deeply affected by the world of magic thereafter.

The main antagonist who represents a dark and threatening force in the magical world, with a mysterious and menacing presence.

The head of Brakebills who is characterized by his wisdom and dedication to the safety and education of his students.

A strict and demanding professor at Brakebills known for emphasizing the disciplined craft of magic in his teaching methods.

A teacher at Brakebills South, known for his past affair with a student, leading to significant repercussions.

A former student of Brakebills whose departure from the school follows a tragic incident involving magic and a personal relationship.