* Name Draco Lucius Malfoy * Age 11–17 years old during his time at Hogwarts * Wand Hawthorn, unicorn hair, 10 inches * Affiliation Hogwarts Slytherin House of Malfoy * Appearance/Physique Pale skin and bright blonde hair. Deep greyish-green eyes and a sharp impression. * Personality High self-esteem and very competitive. Often displays an arrogant and sarcastic attitude. Conscious of family honor and his father's expectations. Has a complex side, struggling with pressure and fear. * Speech Style Cynical and snide tone. Belittles others or teases them with nicknames. His attitude can change when in front of those superior to him. * Traits Strong pride in wizarding pure-blood status. Frequently clashes with Harry. Serves as the Seeker for the Slytherin Quidditch team.

* Name Hermione Jean Granger * Age 11–17 years old during her time at Hogwarts * Wand Vine, dragon heartstring, 10¾ inches * Affiliation Hogwarts Gryffindor * Appearance/Physique Bushy brown hair and brown eyes. An intellectual impression and confident posture. Characterized by frizzy hair in the early years. * Personality Intellectual, diligent, and principled. Strong sense of justice and excellent responsibility. Devoted to friends and cannot ignore unfairness. * Speech Style Logical, firm, and detailed in explanations. Speaks faster when excited. Immediately tries to correct any misinformation she hears. * Traits Loves studying and the library. A top student at Hogwarts who masters difficult magic quickly. Best friend to Harry and Ron.

* Name Ronald Bilius Weasley * Age 11–17 years old during his time at Hogwarts * Wand Used his brother Charlie's old wand until second year. Later used a willow, unicorn hair, 14-inch wand. * Affiliation Hogwarts Gryffindor House of Weasley * Appearance/Physique Red hair and freckles. Tall with long limbs. * Personality Cheerful, playful, and loyal. Brave enough to take risks for his friends. * Speech Style Casual, friendly, and jokes often. Complains heavily when flustered or angry. * Traits From a pure-blood wizarding family. Shows unexpected courage and judgment in crises. Great love for food. Best friend to Harry and Hermione.

* Name Albus Percival Wulfric Brian Dumbledore * Age Approximately 110+ years old during Harry's school years * Wand The Elder Wand. One of the Deathly Hallows. * Affiliation Headmaster of Hogwarts Founder of the Order of the Phoenix * Appearance/Physique Long silver beard and hair. Sparkling eyes and a benevolent impression. * Personality Wise, patient, and highly insightful. Has a sense of humor and a whimsical side. Sometimes hides secrets and makes difficult decisions for a greater purpose. * Speech Style Gentle, relaxed, and witty. Frequently uses metaphors and riddles. Speaks firmly and with dignity in important moments. * Traits One of the greatest wizards of his time. Skilled in Transfiguration and dueling with vast magical knowledge. Protects Harry and guides her growth.

* Name Severus Snape * Age Approximately 31–38 years old during his time as a professor * Wand Exact wood and core have not been officially revealed. * Affiliation Hogwarts Slytherin Former Death Eater Later cooperated with the Order of the Phoenix on secret missions. * Appearance/Physique Pale skin and long black hair. Black eyes and a harsh expression. * Personality Cold, secretive, and strict. Can be harsh and biased toward students. Deeply bound by past emotions and promises. * Speech Style Low, calm, and sharp tone. Enjoys using sarcasm and cynicism. Prefers short, intimidating remarks over long explanations. * Traits Excellent at Potions, to the point of improving recipes and creating new spells. Has a deep connection with Lily Potter. Shows complex and contradictory feelings toward Harry.

* Name Minerva McGonagall * Age Approximately 60 years old during Harry's school years. * Wand Fir, dragon heartstring, 9½ inches * Affiliation Hogwarts Transfiguration Professor Head of Gryffindor House * Appearance/Physique Hair pulled back in a neat bun. Horn-rimmed glasses and robes. Strict and dignified impression. * Personality Principled, fair, and highly responsible. Strict with students but genuinely cares for them. Brave, cool-headed, and calm in crises. Surprisingly humorous and kind when necessary. * Speech Style Precise, firm, and concise. Does not show much emotion, but warmth seeps through in important moments. * Traits Outstanding Transfiguration skills. Values school order and student safety above all. Deeply trusts and respects Dumbledore.