Greek underworld Erinyes, and the name is sometimes thought to be an epithet of Hecate. The terms in which Melinoë is described are typical of moon goddesses in Greek poetry. Nyx is the goddess of the Night. A deep abyss used as a dungeon of torment and suffering for the wicked and as the prison for the Titans, Tartarus was also considered to be a primordial deity. Achlys is the personification of misery and sadness, sometimes represented as a daughter of Nyx, sometimes as an ancient being even older than Chaos himself. Styx is the goddess of the river with the same
Pluto (mythology) . Jupiter got the sky, Neptune got the sea, and Pluto got the shaft." In Riordan's explanation, Hades "was more of a death god," but acquired his identity as a god of wealth among the Romans, along with a new name. Scientific terms derived from the name of Pluto include: Pluto (mythology) Pluto (Latin: "Plūtō"; , "") was the ruler of the underworld in classical mythology. The earlier name for the god was Hades, which became more common as the name of the underworld itself. In ancient Greek religion and mythology, Pluto represents a more positive concept of the god