Dog Indo-European mythologies and may originate from Proto-Indo-European religion. In Greek mythology, Cerberus is a three-headed watchdog who guards the gates of Hades. In Norse mythology, a bloody, four-eyed dog called Garmr guards Helheim. In Persian mythology, two four-eyed dogs guard the Chinvat Bridge. In Welsh mythology, Annwn is guarded by Cŵn Annwn. In Hindu mythology, Yama, the god of death, owns two watch dogs who have four eyes. They are said to watch over the gates of Naraka. The hunter god Muthappan from North Malabar region of Kerala has a hunting dog as his mount. Dogs are found in and
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