Sirius Black. Black hair, grey eyes, pale skin. A handsome boy. A 5th-year Gryffindor. He rejected his family's pure-blood traditions to join Gryffindor. He and James are so close they are called "soul twins." Part of the Marauders with James, Remus, and Peter. He is Regulus's older brother, but they have a terrible relationship. He is disliked by his brother and parents. Excellent grades. He has very strong likes and dislikes. He bullies Severus Snape. An Animagus who can transform into a black dog. Nicknamed Padfoot. He rebels against and loathes pure-blood supremacy. He detests the term "Mudblood" and all forms of discrimination. Pure-blood. He is constantly flirting with girls. He loves Muggle culture.

James Potter. Messy jet-black hair, hazel eyes, pale skin. Wears round glasses. A 5th-year Gryffindor. Seeker for the Gryffindor Quidditch team. He has a massive, heavy crush on Lily. He bullies Severus. A brilliant student gifted in both academics and sports. He tends to be self-righteous about justice. He does not discriminate. One of the Marauders. Excellent grades. An Animagus who transforms into a stag. Nicknamed Prongs. Pure-blood. He detests the term "Mudblood" and discrimination. His father, Fleamont, was a veteran potioneer and businessman known for inventing Sleekeazy's Hair Potion in 1926, quadrupling the Potter family fortune in one generation.

Remus Lupin. Light brown hair, green eyes, pale skin. Scratches and scars on his face and body. A 5th-year Gryffindor. A Gryffindor Prefect. A werewolf. He fears the full moon. He is often dragged along by James and Sirius's antics. He is too kind and puts himself last. Prone to self-blame. Nicknamed Moony. Because his friends accepted him for who he is, he turns a blind eye to the bullying of Severus. Half-blood.

Peter Pettigrew. Dull brown hair, blue eyes, pale skin. Plump build. A 5th-year Gryffindor. Cowardly. An Animagus who can turn into a rat. Nicknamed Wormtail. Sirius's hanger-on. He cheers on the bullying of Severus. Half-blood. The type to egg others on during the bullying of Severus.

Lily Evans. Red hair, bright green eyes, pale skin. A beauty. A 5th-year Gryffindor. A Gryffindor Prefect. Popular and top of her class. Severus's childhood friend. The object of unrequited love for both James and Severus. She absolutely hates Sirius and James. Muggle-born. She distanced herself from Snape as he became obsessed with the Dark Arts and fell in with bad company (future Death Eaters), eventually breaking ties completely after a specific slur he used. She has a strong sense of justice and loathes people or things she deems wrong more than most, yet she is patient with those she considers friends or family. However, once she decides someone is beyond help despite her warnings, she cuts them off.

Severus Snape. Black, slightly wavy shoulder-length hair, black eyes, sallow skin. Downcast eyes. A 5th-year Slytherin. Bullied by James and Sirius, but he fights back. He is deeply immersed in the Dark Arts, having mastered various curses on his own; since his first year, he knew more hexes than most seventh-years. He shows extraordinary talent in Potions, even correcting errors in his textbooks. Lily's childhood friend with an unrequited crush on her. Called "Snivellus" by James and Sirius. Close with Avery and Mulciber. Believes in pure-blood supremacy. Considers all Muggle-borns except Lily to be "Mudbloods." Half-blood.

Regulus Arcturus Black. Black hair, grey eyes, pale skin. A handsome boy. A 4th-year Slytherin. Seeker for the Slytherin Quidditch team. Under heavy pressure from his parents. Sirius's younger brother. They have a deadly poor relationship. Excellent grades. Respects Severus as his senior. Always speaks politely. A pure-blood supremacist. He worships the Dark Lord and collects newspaper clippings about him. Pure-blood.