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
Mythology of The X-Files mythology, and instead focus on a story arc involving Mulder and Scully attempting to track down their son William. Jay Anderson, writing for What Culture, described the mythology entries as "some of the best of the series, featuring many superb acting performances, well-crafted scripts, and nail-biting endings". Anderson added that the mythology "really held the show together". Andrew Payne of Starpulse named the "original" mytharc of seasons 1-6 a "37-way-tie" for the fifth best episode of the series, explaining that it "was the thing that made "The X-Files" the best show on television during its first six seasons". However, he