Sea King is a term often used to describe an ancient mythological figure, a god of the sea. However, there are several synonyms that can be used to describe this legendary being. A few of these synonyms include sea god, ocean deity, marine deity, and water god. Another term that can be used to describe the ancient sea king is Poseidon, the Greek god of the sea. In Nordic legends, the sea king was known as Aegir, while in Hindu mythology, he was called Varuna. Overall, there are many different names for the sea king, each representing a unique cultural perspective on this powerful and mysterious figure.