Sir Orfeo as being a parallel dimension to the everyday world rather than the Land of the Dead as in the Greek myth of Orpheus and Eurydice. The ability to move between one world and the other distinguishes the tale as told in its various British versions such as "Sir Orfeo" and the Shetland ballad "King Orfeo" where the captors are envisaged as inhabitants of a parallel fairy domain rather than as the infernal region of the Dead ruled over by Hades as in the Greek myth. Katharine Briggs sees the tale as related in British folk narratives as being equally influenced
Hades More elaborate names of the same genre were "Ploutodótēs" () or "Ploutodotḗr" (), meaning "giver of wealth". Epithets of Hades include "Agesander" () and "Agesilaos" (), both from "ágō" (, "lead", "carry" or "fetch") and "anḗr" (, "man") or "laos" (, "men" or "people"), describing Hades as the god who carries away all. Nicander uses the form "Hegesilaus" (). He was also referred to as "Zeus katachthonios" (Ζεὺς καταχθόνιος), meaning "the Zeus of the Underworld", by those avoiding his actual name, as he had complete control over the Underworld. In Greek mythology, Hades, the god of the underworld, was the