In my opinion, the worst (I mean evil) character from Harry Potter is Professor Dumbledore. The whole Harry's life was directed by him!.. But ok. Let's start from beginning. The philosopher stone. The scene where Dumbledore congrats students at the end of the movie. He said about House Cup and that Slytherin score the most of points. Children were happy! But then! He said that recent events must be taken into account. Why did he do it? Isn't it abuse? They are children! Why he got them a hope? And then they say Slytherin wizards and witches are bad and mad etc! Oh, ok. What do you think about that?))