Eurynomos (Εὐρύνομος) is a Greek demon residing in Hade's underworld . It is described as having a skin hue between black and blue similar to that of a meat fly and it sits on the flayed skin of a vulture's skin .
The task of Eurynomos is to sit and eat the flesh of all those who die and enter the underworld leaving only bones .
: Smith, William; Dictionary of Greek and Roman Biography and Mythology, London (1873). "Eurynomus"
: Pausanias, Description of Greece, 10.28.7