List of characters in the Camp Half-Blood series
Hades/Pluto - The God of the Underworld, son of Kronos, brother to Poseidon and Zeus. He is the husband of his niece Persephone and is Nico and Bianca di Angelo's father. Percy first encounters him in The Lightning Thief on his quest to find and return Zeus's master bolt. In The Last Olympian, Hades traps Percy when Nico leads him to the Underworld palace. He plans to put him in the dungeon until Nico turns sixteen, so Nico can fulfill the prophecy. He appears again with Persephone and Demeter to save Olympus. After the war, Hades, along with the minor gods, is given a cabin in Camp Half- Blood