Greek underworld his duty was to bring these souls to the underworld and no one would persuade him to do otherwise. Cerberus (Kerberos), or the "Hell-Hound", is Hades' massive multi-headed (usually three-headed) dog with some descriptions stating that it also has a snake-headed tail and snake heads on its back and as its mane. Born from Echidna and Typhon, Cerberus guards the gate that serves as the entrance of the underworld. Cerberus' duty is to prevent dead people from leaving the underworld. Heracles once borrowed Cerberus as the final part of the Labours of Heracles. Orpheus once soothed it to sleep with
Modern understanding of Greek mythology about gods than about the physical world; it is about the human mind and must be read symbolically. Karl Kerenyi, one of the founders of modern studies in Greek mythology, gave up his early views of myth, in order to apply Jung's theories of archetypes to Greek myth. The origins of Greek mythology are an open question. In antiquity, historians such as Herodotus theorized that the Greek gods had been stolen directly from the Egyptians. Later on, Christian writers tried to explain Hellenic paganism through degeneration of Biblical religion. According to the Scriptural theory, all mythological legends (including Greek mythology)