Myrtle: "D'you think I don't know what people call me behind my back? Fat Myrtle! Ugly Myrtle! Miserable, moaning, moping Myrtle!"
Peeves: "You've forgotten pimply!"
We did it, we bashed them, wee Potter’s the one
And Voldy’s gone mouldy, so now let's have fun
"Why, it's potty wee Potter!" cackled Peeves, knocking Harry's glasses askew as he bounced past him. "What's Potter up to? Why's Potter lurking -" Peeves stopped, halfway through a mid-air somersault.Peeves in Harry Potter and the Chamber of Secrets
Most think he's barking, the potty wee lad,
but some are more kindly and think he's just sad,
but Peevesy knows better and says that he's mad.
What is it this time, my fine Potty friend? Hearing voices? Seeing visions? Speaking in tongues?Peeves in Harry Potter and the Order of the Phoenix
Oh, Potter, you rotter, oh, what have you done,
You’re killing off students, you think it’s good fun.
When there's strife and when there's trouble
Call on Peevsie, he'll make double!
Wandering around at midnight, ickle firsties? Tut, tut, tut. Naughty, naughty, you'll get caughty.Peeves in Harry Potter and the Philosopher's Stone
They were temporarily detained by Peeves, who had jammed a door on the fourth floor shut and was refusing to let anyone pass until they set fire to their own pants.Peeves in Harry Potter and the Half-Blood Prince
"Kicky, scratchy!" cried Peeves happily, now pelting bits of chalk at the elves to enrage them further. "Tweaky, pokey!"Peeves in Harry Potter and the Half-Blood Prince
"Which way did they go, Peeves?" Filch was saying. "Quick, tell me."
"Don’t mess about, Peeves, now where did they go?"
"Shan't say nothing if you don't say please," said Peeves in his annoying sing-song voice.
"All right - please."
"NOTHING! Ha haaa! Told you I wouldn't say 'nothing' if you didn't say please!"