J. K. Rowling

Did you like question ten, Moony?" asked Sirius as they emerged into the entrance hall. "Loved it," said Lupin briskly. "Give five signs that identify the werewolf. Excellent question. " "D'you think you managed to get all the signs?" said James in tones of mock concern. "Think I did," said Lupin seriously, as they joined the crowd thronging around the front doors eager to get out into the sunlit grounds. "One: He's sitting on my chair. Two: He's wearing my clothes. Three: His name's Remus Lupin.