Lukat

“Right before the game, she strolled up to me. "Hey, Seaweed Brain."
"Will you stop calling me that?"
She knows I hate that name, mostly because I never have a good comeback. She's the daughter of Athena, which doesn't give me a lot of ammunition. I mean, "Owl-head" and "Wise Girl" are kind of lame insults.”
― Rick Riordan, The Demigod Files

“Um...is that thing tame?" Frank said.
The horse whinnied angrily.
"I don't think so," Percy guessed. "He just said, 'I will trample you to death, silly Chinese Canadian baby man'.”
― Rick Riordan, The Son of Neptune

“Can we just call them storm spirits?” Leo asked. “Venti makes them sound like evil espresso drinks.”
― Rick Riordan, The Lost Hero

“Hey!" said the guy in the video. "Greetings from your friends at Camp Half-Blood, et cetera. This is Leo. I'm the..." He looked off screen and yelled: "What's my title? Am I like admiral, or captain, or-"

A girl's voice yelled back, "Repair boy."

"Very funny, Piper," Leo grumbled. He turned back to the parchment screen. "So yeah, I'm...ah..supreme commander of the Argo II. Yeah, I like that! Anyway, we're gonna be sailing towards you in about, I dunno, an hour in this big mother warship. We'd appreciate it if you'd not, like, blow us out of the sky or anything. So okay! If you could tell the Romans that. See you soon. Yours in demigodishness, and all that. Peace out!”
― Rick Riordan, The Son of Neptune