Never opened (was husbands alternate costume), waited too long to return and wouldn’t take back. The god of the sea is known as Poseidon in Greek mythology and Neptune in Roman mythology. This ruler is the powerful commander of the seven seas! With this amazing costume you can transform into a strong king who literally has godlike powers! Add his signature trident for a costume that will impress! Includes shirt, crown, belt, shoulder armor, net drape and cuffs. Retails for $79.99 new. Selling for under.