Isaac Blauert

“Mr. Moony presents his compliments to Professor Snape, and begs him to keep his abnormally large nose out of other people's business.
Mr. Prongs agrees with Mr. Moony, and would like to add that Professor Snape is an ugly git.
Mr. Padfoot would like to register his astonishment that an idiot like that ever became a professor.
Mr. Wormtail bids Professor Snape good day, and advises him to wash his hair, the slimeball.”
― J.K. Rowling, Harry Potter and the Prisoner of Azkaban

“Are you planning to follow a career in Magical Law, Miss Granger?” asked Scrimgeour.
“No, I’m not,” retorted Hermione. “I’m hoping to do some good in the world!”
― J.K. Rowling, Harry Potter and the Deathly Hallows

“Ah" said Dumbledore gently, "Yes I thought we might hit that little snag!"
"Snag?" said Fudge, his voice still vibrating with joy. "I see no snag, Dumbledore!"
"Well," said Dumbledore apologetically, "I'm afraid I do."
"Oh, really?"
"Well it's just that you seem to be labouring under the delusion that I am going to -- come quietly. I am afraid I am not going to come quietly at all, Cornelius. I have absolutely no intention of being sent to Azkaban. I could break out, of course -- but what a waste of time, and frankly, I can think of a whole host of things I would rather be doing.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“He can run faster than Severus Snape confronted with shampoo.”
― J.K. Rowling, Harry Potter and the Deathly Hallows