Which of the following is an epithet for Poseidon?

A. Bluegreen king

B. Wavemaster

C. Seabluehair

The correct answer is C: Seabluehair.

Explanation:

In Odyssey (in Book IX), Polyphemus, Poseidon's son, prays to his father when Odysseus taunts him. He refers to his father by using the following sentence: "'Hear me, Poseidon Earthholder Seabluehair!" He asks Poseidon to grant him that Odysseus never reach his home again or to lose all his companions and to find trouble at home.