Christopher

“I've never stunned anyone except in our D.A. lessons," said Luna, sounding mildly interested. "That was noisier than I thought it would be.”
― J.K. Rowling, Harry Potter and the Deathly Hallows

“Well?" Ron said finally, looking up at Harry. "How was it?"
Harry considered it for a moment. "Wet," he said truthfully.
Ron made a noise that might have indicated jubilation or disgust, it was hard to tell.
"Because she was crying," Harry continued heavily.
"Oh," said Ron, his smile faded slightly. "Are you that bad at kissing?"
"Dunno," said Harry, who hadn't considered this, and immediately felt rather worried. "Maybe I am.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“Don't talk to me."
"Why not?"
"Because I want to fix that in my memory for ever. Draco Malfoy, the amazing bouncing ferret...”
― J.K. Rowling, Harry Potter and the Goblet of Fire

“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