'All sorts,' breathed Riddle. A flush of excitment was rising up his neck into his hollow cheeks; he looked fevered. 'I can make things move without touching them. I can make animals do what i want them to do, without training them. I can make bad things happen to people who annoy me. I can make them hurt if i want them to.'
Harry Potter and the Half Blood Prince By J.K.Rowling, Chapter 13