Professor Igor Karkaroff (d. 24 June – 31 July 1996) was a wizard and Headmaster of Durmstrang Institute. During the First Wizarding War, he was a Death Eater who served Lord Voldemort. After being captured and briefly imprisoned in Azkaban following his master's defeat, Karkaroff turned in several of his fellow Death Eaters to the Wizengamot in exchange for his crimes being pardoned Severus Snape: Obviously…” Harry Potter and the Order of the Phoenix “Severus Snape: You’re just like your father. Lazy, arrogant… Harry Potter: Don’t say a word against my father! Severus Snape: Weak. Harry Potter: I’m not weak! Severus Snape: Then prove it! Control your emotions! Discipline your mind!” While Professor Snape (the Hogwarts Potions Master and Head of Slytherin House) is a huge character in the Harry Potter series as a whole, he plays a relatively minor part in Harry Potter and the Chamber of Secrets. Professor Snape hates Harry's guts, so when he sees Harry and Ron arriving at Hogwarts in their flying car, he threatens them with lDoSPC7.