Katherine

“What if it lines up like it did in the Trojan War ... Athena versus Poseidon?"
"I don't know. But I just know that I'll be fighting next to you."
"Why?"
"Because you're my friend, Seaweed Brain. Any more stupid questions?”
― Rick Riordan, The Lightning Thief

“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

“You are okay?" he asked. "Not eaten by monsters?"
"Not even a little bit." I showed him that I still had both arms and both legs, and Tyson clapped happily.
"Yay!" he said. "Now we can eat peanut butter sandwiches and ride fish ponies! We can fight monsters and see Annabeth and make things go BOOM!"
I hoped he didn't mean all at the same time, but I told him absolutely, we'd have a lot of fun this summer.”
― Rick Riordan, The Battle of the Labyrinth

“He cleared his throat and held up one hand dramatically.
“Green grass breaks through snow.
Artemis pleads for my help.
I am so cool.”
He grinned at us, waiting for applause.
"That last line was four syllables.” Artemis said.
Apollo frowned. “Was it?”
“Yes. What about I am so bigheaded?”
“No, no, that’s six syllable, hhhm.” He started muttering to himself.
Zoe Nightshade turned to us. “Lord Apollo has been going through this haiku phase ever since he visited Japan. Tis not as bad as the time he visited Limerick. If I’d had to hear one more poem that started with, There once was a godess from Sparta-"
“I’ve got it!” Apollo announced. “I am so awesome. That’s five syllables!” He bowed, looking very pleased with himself.”
― Rick Riordan, The Titan’s Curse