“I'm a barrel of monkeys, kid, though mostly I figure monkeys stuck in a barrel are just going to be pissed off.”

“He was having more fun than a barrelful of monkeys.**Several years earlier Spider had actually been tremendously disappointed by a barrelful of monkeys. It had done nothing he had considered particularly entertaining, apart from emit interesting noises, and eventually, once the noises had stopped and the monkeys were no longer doing anything at all—except possibly on an organic level—had needed to be disposed of in the dead of night.”

“Monkey bar," Annabeth said. "I'm great at these." She leaped onto to the first rung and start swinging her way across. She was scared of tiny spiders, but not of plummeting to her death from a set of monkey bars. Go figure.”

“monkey see, monkey go blow some sh*t up”

“I'm a barrelful of hate! Come open me up!”

“I do not make mistakes, little monkey. A monkey I intended you to be. A monkey you are.”