In mythology, Poseidon is the Greek god of the sea, often depicted wielding a trident. He governs all waters, from oceans to rivers, embodying the power and unpredictability of the sea. Poseidon's relationship with the ocean reflects not only its beauty but also its potential for destruction. He is often invoked for safe passage and bountiful harvests from the sea, highlighting the cultural significance of water in ancient Greece. Additionally, Poseidon is known for his role in various myths, such as the contest with Athena for the patronage of Athens. His character symbolizes the dual nature of the sea—providing life while also possessing a ferocious capacity for turmoil.