Pluto (mythology) from the 5th century BC onward the name Hades was increasingly reserved for the underworld as a place. Neither Hades nor Pluto was one of the traditional Twelve Olympians, and Hades seems to have received limited cult, perhaps only at Elis, where the temple was opened once a year. During the time of Plato, the Athenians periodically honored the god called "Plouton" with the "strewing of a couch" "(tên klinên strôsai)". At Eleusis, "Plouton" had his own priestess. Pluto was worshipped with Persephone as a divine couple at Knidos, Ephesos, Mytilene, and Sparta as well as at Eleusis, where they
Gate deities of the underworld only to the souls capable of pronouncing the secret name of the god himself, as a sort of "password". The walls of many Pharaonic tombs in the Valley of the Kings are decorated with the texts of the Book of Gates, which describes the twelve gates or pylons of the underworld: in spite of being imagined as architectural barriers to all intents and purposes, the gates were individually named as goddesses. Chapter 144 of the Book of the Dead mentions seven gates, each with its own God, a Doorkeeper and a Herald: for example, the 7th gate is guarded by