I don't know what those are... though Sharpedo sounds like it could be related to sharks.

Percy is... complicated. I guess we're friends. We're from the same world, and he's a demigod like me. His father is Poseidon, god of the sea. And he can talk to sea creatures.

[Nico looks the cow, then back at Kieran with a shrug.]

Dunno. Animals rely on instincts a lot. Guess Pokémon are more sentient. Or sapient? I always get the two mixed up.