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
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