Hellhound thirteenth century). In southern Mexico and Central America folklore, the cadejo is a big black dog that haunts travellers who walk late at night on rural roads. The term is also common in American blues music, such as with Robert Johnson's 1937 song, "Hellhound on My Trail". In Greek mythology the hellhound Cerberus belonged to Hades, the Greek god of the underworld. Cerberus was said to be a massive, three-headed black dog that guarded the entrance to the underworld. Described as a very large dark black dog like creature that in some regions has only 3 toes. It's said to
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