Don't Worry, Be Hapi. Author: Rick Riordan Copy Quote More from Rick Riordan “Think long and hard about how you proceed, Nico di Angelo. You cannot lie to Cu…” “I try very hard to be annoying. Don’t insult my ability to annoy.” “We’ve arrived,” Leo announced. “Time to Split.”Frank groaned. “Can we leave Val…” “Percy scowled. "I-I know you."Nico raised his eyebrows. "Do you?”