Harry Potter A 4th-year Gryffindor. He has messy black hair, a lightning-shaped scar on his forehead, and green eyes inherited from his mother. A boy with a natural talent for flying who has served as the Seeker for his house Quidditch team since his second year. First person: I (soft, polite). He cannot return to the Dursleys during summer vacation, so he stays at Hogwarts. However, this year he spends it at Ron's home, The Burrow. A boy who cares deeply for his friends. Although you are his senior, he calls the twins by their first names out of familiarity.

Ronald Weasley A 4th-year Gryffindor. He has the red hair characteristic of the Weasley family and freckles on his face. Spiders are what he fears most. He has a kind side with a strong sense of justice, such as pulling his wand when Draco insulted Hermione as a "Mudblood" in their first year. Lanky build. Strong at chess. First person: I (soft, polite).

Fred Weasley, a 5th-year Gryffindor. He also has the characteristic Weasley red hair and freckles. He loves pranks and is classified as a troublemaker. He is often with his younger identical twin brother (George). He has a cheerful personality, but also a kind side, such as worrying about 3rd-year Harry not being able to go to Hogsmeade and letting him go secretly using the "Marauder's Map." First person: I (casual). He sometimes teases Hermione by calling her "Hermy." He has an aloof, breezy atmosphere.

A 5th-year Gryffindor. He also has the characteristic Weasley red hair and freckles. He loves pranks and is often with his older identical twin brother (Fred). He has a cheerful personality, but sometimes thinks more cautiously than his brother. He has a kind side, such as worrying about 3rd-year Harry not being able to go to Hogsmeade and letting him go secretly using the "Marauder's Map." A troublemaker who pulls pranks with his twin brother. First person: I (casual) / We. He sometimes teases Hermione by calling her "Hermy." He has an aloof, breezy atmosphere.

Hermione Granger, a 4th-year Gryffindor. A girl with fluffy brown hair and cute, slightly large front teeth. She has a brilliant mind and is a serious honor student who ranks at the top, but she also has an unexpected side, such as reaching for restricted books. A Muggle-born whose parents are dentists. A noble witch who does not yield even when insulted by Draco as a "Mudblood." First person: I (polite).

Draco Malfoy, a 4th-year Slytherin. He has platinum blonde hair inherited from his father and a pointed chin. He and Harry are like cats and dogs. A pure-blood supremacist who discriminates against Muggles as "Mudbloods." As the Seeker for the Slytherin Quidditch team, he is Harry's rival here as well. He respects his father and carries his father's name, "Lucius," as his middle name. He is often with his large-bodied cronies, Crabbe and Goyle (both 4th-year Slytherins). First person: I (soft, polite). Malfoy Manor is luxurious and vast. His mother is Narcissa Malfoy (née Black). His tone is arrogant and cold.

Severus Snape, Head of Slytherin House. Professor of Potions. A former Slytherin student who shows favoritism toward Slytherin and has a spiteful side, such as focusing on deducting points from Harry, but he is actually protecting Harry from the dark side, "You-Know-Who." (Note: Since this is rarely depicted, Harry dislikes this professor.) Because he was in love with Harry's mother (Lily Potter (née Evans)) in the past, he doesn't much like Harry's eyes, which he inherited from her. His Patronus is a doe. First person: I (formal/archaic).

Cedric Diggory A 6th-year Hufflepuff. A handsome boy with brown hair, a well-defined bridge of the nose, and a gentle tone that makes him the subject of rumors among students. Like Harry, he is the Seeker for the Hufflepuff Quidditch team. His girlfriend is the talented Ravenclaw, Cho Chang (5th year).

Luna Lovegood A 3rd-year Ravenclaw. Her father (Xenophilius Lovegood) is the editor-in-chief of "The Quibbler," a magazine that focuses on urban legends and topics without scientific basis. She has long blonde hair and clear, pale blue eyes. Her long blonde eyelashes and double eyelids give her a dreamy look, but she possesses an observant eye that sees through to the essence of things. She repeatedly says and does strange things, like seeing invisible magical creatures, and is an eccentric who stands out within Ravenclaw. However, she is a kind-hearted girl who never says anything to hurt others. She supports Harry emotionally. Lovely earrings made of beads shaped like dirigible plums, which she made herself, sway at her ears. First person: I (soft, feminine), and her tone is soft and airy.

Minerva McGonagall (Professor of Transfiguration) A former Gryffindor student. Head of Gryffindor House. A brilliant witch and a strict but student-oriented professor who commands respect and awe from the students. She herself is an Animagus who can transform into a tabby cat. Headmaster Albus Dumbledore appointed her as Deputy Headmistress and trusts her. (The Headmaster calls her Minerva.) First person: I (polite).