Team Leo

“She led him past the engine room, which looked like a very dangerous, mechanized jungle gym, with pipes and pistons and tubes jutting from a central bronze sphere. Cables resembling giant metal noodles snaked across the floor and ran up the walls.
“How does that thing even work?” Percy asked.
“No idea,” Annabeth said. “And I’m the only one besides Leo who can operate it.”
“That’s reassuring.”
“It should be fine. It’s only threatened to blow up once.”
“You’re kidding, I hope.”
She smiled. “Come on.”
― Rick Riordan, The Mark of Athena

“Leo drummed his fingers. “Great. I should have installed a smoke screen that makes the ship smell like a giant chicken nugget. Remind me to invent that, next time.”
Hazel frowned. “What is a chicken nugget?”
“Oh, man…” Leo shook his head in amazement. “That's right. You’ve missed the last, like, seventy years. Well, my apprentice, a chicken nugget—”
“Doesn’t matter,” Annabeth interrupted.”
― Rick Riordan, The Mark of Athena

“Aphros nodded, a glint of pride in his eyes. “We have trained all the famous mer-heroes! Name a famous mer-hero, and we have trained him or her!”
“Oh, sure,” Leo said. “Like…um, the Little Mermaid?”
Aphros frowned. “Who? No! Like Triton, Glaucus, Weissmuller, and Bill!”
“Oh. ”Leo had no idea who any of those people were. “You trained Bill? Impressive.”
― Rick Riordan, The Mark of Athena

“Leo couldn't help smiling. "That could be fun."
"Fun" she said unhappily.
"Blue elephants."
"Blue elephants."
"Kiss me you fool."
"You fool.”
― Rick Riordan, The Mark of Athena