Hadis is one of the main villains of Saint Seiya. He is a Greek deity, brother to Zeus and Poseidon, and the dark ruler of the Underworld, but is an ancient enemy of Athena and her warriors known as her Saints. He wishes to wipe out all of humanity by turning the Earth into a desolate frozen wasteland for disobeying the gods and polluting their world. He appears as a major player in Disney vs Anime Villains, and will appear in a flashback in Non Disney Heroes vs Villains.
Disney Vs Anime Villains War - Part Two
Non Disney Heroes Vs Villains War
Hades was the first son of Chronos, and the brother of Zeus and Poseidon, together with these they defeated their father by locking him in the Tartarus, and they divided the world, Hades was granted Underworld.