Maybe he is, maybe he isn't, but the fact remains he can move faster than Severus Snape confronted with shampoo.

"She should've interviewed Snape," said Harry grimly. "He'd give her the goods on me any day.

He can run faster than Severus Snape confronted with shampoo.

"Mr. Moony presents his compliments to Professor Snape, and begs him to keep his abnormally large nose out of other people's business.

Snape's patronus was a doe,' said Harry, 'the same as my mother's because he loved her for nearly all of his life, from when they were children.

"Dumbledore watched her fly away, and as her silvery glow faded he turned back to Snape, and his eyes were full of tears.