Thanatos-The legend of the Grim reaper can be tracked all the way back to Greek mythology. Thanatos's job was to accompany souls to hades (The Greek underworld). He would then pass them on to the ferryman on the river styx, Charon.
Hades and Persephone -This is hot!
Hades and Persephone from Greek Mythology
Terracotta Figure of Isis-Aphrodite [Egyptian, 2nd-3rd century] | The Metropolitan Museum of Art