Malcolm Jefferson

“Nico drew his sword. His smile was even more unsettling than his scowl.

"Underground," he said. "My favorite place."

Underground was not Jason's favorite place.”
― Rick Riordan, The House of Hades

“Hazel!” he yelled. “That box! Open it!”
She hesitated, then saw the box he meant. Te label read WARNING. DO NOT OPEN.
“Open it!” Leo yelled again.”
― Rick Riordan, The Mark of Athena

“Jason hated being an old man.”
― Rick Riordan, The Blood of Olympus

“Most helmsmen would’ve been satisfied with a pilot’s wheel or a tiller. Leo had also installed a keyboard, monitor, aviation controls from a Learjet, a dubstep soundboard, and motion-control sensors from a Nintendo Wii. He could turn the ship by pulling on the throttle, fire weapons by sampling an album, or raise sails by shaking his Wii controllers really fast. Even by demigod standards, Leo was seriously ADHD.”
― Rick Riordan, The Mark of Athena