An orphan raised by his unkind aunt and uncle who discovers on his eleventh birthday that he is a wizard. Enrolled at Hogwarts School of Witchcraft and Wizardry, Harry learns that he is famous in the wizarding world for surviving a killing curse as an infant. Brave, loyal, and stubborn, with a talent for getting into and out of trouble.

A Muggle-born witch and the brightest student of her year at Hogwarts. Bookish, principled, and relentlessly logical, Hermione tempers Harry's impulsiveness and Ron's laziness with careful planning and encyclopaedic knowledge.

The sixth of seven Weasley children and Harry's best friend from their first day at Hogwarts. Overshadowed by his brothers and insecure about his family's lack of wealth, Ron is nevertheless brave, fiercely loyal, and funnier than he gives himself credit for.

The most feared Dark wizard of all time. Born Tom Riddle, he remade himself into Lord Voldemort and waged a campaign of terror against the wizarding world. Obsessed with purity of blood, immortality, and the domination of all who oppose him.

Headmaster of Hogwarts and widely regarded as the greatest wizard of the age. Brilliant, eccentric, and deeply kind, Dumbledore is Harry's most important mentor. Known for his love of sherbet lemons and his half-moon spectacles.

Harry's rival at Hogwarts and a member of Slytherin house. Arrogant, prejudiced, and a bully, Draco comes from one of the wealthiest pure-blood families in the wizarding world.

One half of the Weasley twins and co-founder of Weasleys' Wizard Wheezes joke shop. Inventive, fearless, and incapable of taking anything seriously. Inseparable from his twin George.

The other half of the Weasley twins and co-founder of Weasleys' Wizard Wheezes. Equally inventive and mischievous as Fred.

Harry's father. A talented pure-blood wizard, Quidditch player, and unregistered Animagus who could transform into a stag. Popular and sometimes arrogant in his youth.

Deputy Headmistress of Hogwarts and Head of Gryffindor house. Stern, fair, and a supremely gifted Transfiguration teacher with a fierce loyalty to her students and a dry sense of humour.

Matriarch of the Weasley family and a formidable witch. Warm, loving, and fiercely protective of her children and Harry, whom she treats as one of her own.

A shy, clumsy boy raised by his formidable grandmother after his parents were incapacitated. Neville struggles academically but possesses a quiet courage that reveals itself when it matters most. A talented herbologist.

Defence Against the Dark Arts teacher in Harry's first year. Nervous, stuttering, and apparently terrified of his own subject. Wears a distinctive purple turban.

Keeper of Keys and Grounds at Hogwarts, and later Professor of Care of Magical Creatures. Half-giant, enormously strong, and possessed of a deep love for dangerous animals. One of the first people to show Harry genuine kindness.

Potions Master and later Defence Against the Dark Arts teacher at Hogwarts. Cold, sarcastic, and openly hostile towards Harry from their first meeting. A deeply complex figure whose true loyalties are one of the series' central mysteries.

Harry's spoilt, bullying cousin. Large and mean-spirited as a child, Dudley is given everything he wants by his doting parents while Harry is neglected.

Harry's aunt and Lily Potter's sister. Thin, blonde, and obsessed with keeping up appearances. Her hostility to the wizarding world masks a complicated history.

Harry's uncle and guardian. A large, blustering man who works as a director at a drill company. Aggressively normal and terrified of anything magical.