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
Pluto (mythology) ("ca." 125–after 180 AD) suggests that Pluto's love for his wife gave the ruler of the underworld a special sympathy or insight into lovers parted by death. In one of Lucian's "Dialogues of the Dead", Pluto questions Protesilaus, the first Greek hero killed in the Trojan War, who wishes to return to the world of the living. "You are then in love with life?" Pluto asks. "Such lovers we have here in plenty; but they love an object, which none of them can obtain." Protesilaus explains, like an Orpheus in reverse, that he has left behind a young bride whose