Orpheus (north east Danube valley) and even describes him wandering into Hyperborea and Tanais (ancient Greek city in the Don river delta) due to his grief. The story of Eurydice may actually be a late addition to the Orpheus myths. In particular, the name "Eurudike" ("she whose justice extends widely") recalls cult-titles attached to Persephone. According to the theories of poet Robert Graves, the myth may have been derived from another Orpheus legend, in which he travels to Tartarus and charms the goddess Hecate. The myth theme of not looking back, an essential precaution in Jason's raising of chthonic Brimo Hekate
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