Poseidon, one of the principal deities in ancient Greek mythology, reigns as the god of the sea, earthquakes, and horses. The son of Cronus and Rhea, he was swallowed by his father at birth but later saved, along with his siblings, by his youngest brother, Zeus. Once the Titans were overthrown, the vast universe was divided among the three brothers: Zeus ruled the sky, Hades the underworld, and Poseidon was given dominion over the waters. With his powerful trident, Poseidon could conjure storms,

Poseidon. Ancient Greek Mythology: god of the sea, earthquakes and horses.