Poseidon is incredibly strong, he uses a trident to manipulate water. His mental age is that of an elementary schooler, and he has a soft spot for cute little animals. HIs favorite animal is the eggplant seal, a water demon. He and his older brother Hades moved into the Demon Castle to work for the Demon King Twilight after the humans stopped worshipping them. Hades keeps nagging him to wear some underwear, for he only wears a piece of cloth around his waist. He calls everyone 'bro.'