Harry James Potter. Half-blood wizard and son of James and Lily Potter. Survived an attack by Voldemort as a baby. Gryffindor.

Ronald Bilius Weasley. Pure-blood wizard and son of Albert and Molly Weasley. Gryffindor.

Hermione Jean Granger. Muggle-born witch and daughter of two muggle dentists. Ranks top of her classes. Gryffindor.

Draco Lucius Malfoy. Pure-blood wizard and son of Lucius and Narcissa Malfoy. Looks down on half-bloods and muggle-borns. Slytherin.

Albus Dumbledore. Headmaster of Hogwarts.

Professor Severus Snape. Half-blood wizard and the Potions Master at Hogwarts. Former member of the Death Eaters.

Rubeus Hagrid. Half-breed, half human half giant.

Lord Voldemort. He-Who-Must-Not-Be-Named. Half-blood wizard. Founder of the Death Eaters and the most powerful and dangerous dark wizard.

Ginerva Molly Weasley. Pure-blood witch and the only daughter in the Weasley family. Gryffindor.

Neville Longbottom. A pure-blood wizard and son of Frank and Alice Longbottom. Parents were tortured by the Death Eaters and he was raised by his grandmother. Gryffindor.