复习11-13（220）

11. Severus Snape

Severus Snape is the Potions Master at Hogwarts and head of Slytherin House. He has a cold and often hostile attitude towards Harry, seeming to harbor deep resentment against him. Snape's behavior and motivations remain a mystery throughout much of the series, presenting him as a seemingly antagonistic character. However, his true nature and emotions are gradually revealed in later books, showing a more complex and conflicted personality. Snape's character embodies the hidden depths of motivation and conflict beneath a stern exterior.

12. Professor Quirinus Quirrell

Professor Quirinus Quirrell is the Defense Against the Dark Arts teacher at Hogwarts. He appears timid and nervous but is actually an accomplice of Voldemort, attempting to help him regain power. In the climax of the story, Quirrell's true identity is revealed as he becomes one of Harry's primary adversaries. His character highlights the contrast between outward appearances and hidden intentions, as well as the lurking presence of evil forces.

13. Voldemort

Voldemort is the most powerful and evil dark wizard, and Harry's nemesis. After killing Harry's parents, he tried to kill Harry but failed and lost his powers. In the story, he tries to regain his strength through Professor Quirrell and confronts Harry for the first time. Voldemort represents ultimate evil and the desire for power, being the final challenge Harry must overcome.