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 2012—writing, "is this really what the series was about?" Furthermore, Shearman and Pearson concluded that the problem with the episode was that the show decided "to define itself in the summing up" with the episode, which did not answer very many questions. Tom Kessenich, in his book "Examinations", noted that the episode "told us nothing of significance" regarding the "big picture" mythology story arc. Mythology of The X-Files The mythology of "The X-Files", sometimes referred to as its "mytharc" by the show's staff and fans, follows the quest of FBI Special Agents Fox Mulder (David Duchovny), a believer in supernatural