Poseidon is the god of the seas in Greek Mythology.
you must give posideon a starfish as an offering
God of the sea.
Percy Jackson
A god.
Posideon and hades
Because Percy's dad is Posideon, God of the Sea (or something like that) and Posideon's symbol/weapon/thingy is a trident
the cyclops was the son of posideon
something
Find her in Posideon's realm.
Mythical daughter of Posideon
Neptune was named after the god Posiedon.
the sea, earthquakes, horses, etc.