It is believed that Cronus devoured five of his own children, when Gaia and Ouranos made the prophecy that Cronus would be overcome by one of his sons just like he did to his father. The youngest son Zeus escaped this wrath with his mother's help, and went on to become a powerful warrior forcing Cronus to disgorge his siblings. Then Zeus teamed up with his brothers, Poseidon and Hades, raged a war against the Titans, and defeated them. The three brothers chose their realms after this win. Zeus got the sky, Poseidon got the sea and Hades got the underworld.
He had a chariot which was pulled by four black horses. The Narcissus and the Cypress plants were sacred to him. Hades had a pet called Cerberus, a multi-headed dog who guarded the gates of the underworld. Its task was to make sure that no one escaped the realms of Hades.
Persephone, the queen on Hades, was the goddess of fertility. She was carried away by Hades, to his realm. He enticed her into plucking a pomegranate, after tasting which, she was bound to the underworld. But, at the end, it was decided that Persephone would spend a part of the year with Hades in the underworld and the rest in her world, with her mother.
Subjects of Hades were forbidden from leaving his realm as it would enrage him to know about his subjects going against his wishes. However, it proved to be an exception when Eurydice, wife of Orpheus, was almost allowed to return back from the underworld. She was killed due to a snake bite. When Orpheus went to the underworld to bring her back, Hades was so touched by his music that...