Kira

“Once she was gone, I knelt next to Annabeth and felt her forehead. She was still burning up.
"You're cute when you're worried," she muttered. "Your eyebrows get all scrunched together."
"You are not going to die while I owe you a favor," I said. "Why did you take that knife?"
"You would've done the same for me."
It was true. I guess we both knew it. Still, I felt like somebody was poking my heart with a cold metal rod.”
― Rick Riordan, The Last Olympian

“God alert!" Blackjack yelled. "It's the wine dude!
Mr. D sighed in exasperation. "The next person, or horse, who calls me the 'wine dude' will end up in a bottle of Merlot!”
― Rick Riordan, The Titan’s Curse

“Grover wore his fake feet and his pants to pass as human. He wore a green rasta-style cap, because when it rained his curly hair flattened and you could just see the tips of his horns. His bright orange backpack was full of scrap metal and apples to snack on. In his pocket was a set of reed pipes his daddy goat had carved for him, even though he only knew two songs: Mozart's Piano Concerto no. 12 and Hilary Duff's "So Yesterday," both of which sounded pretty bad on reed pipes.”
― Rick Riordan, The Lightning Thief

“Braccas meas vescimini!"
I wasn't sure where the Latin came from. I think it meant 'Eat my pants!”
― Rick Riordan, The Lightning Thief