In Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

, Eurynomos (Εὐρύνομος) Latin spelling (Eurynomus)is a legendary creature

Legendary creature

A legendary creature is a mythological or folkloric creature.-Origin:Some mythical creatures have their origin in traditional mythology and have been believed to be real creatures, for example the dragon, the unicorn, and griffin...

 was the netherworld Daemon(spirit) of rotting corpses dwelling in the Underworld

Greek underworld

The Greek underworld was made up of various realms believed to lie beneath the earth or at its farthest reaches.This includes:* The great pit of Tartarus, originally the exclusive prison of the old Titan gods, it later came to be the dungeon home of damned souls.* The land of the dead ruled by the...

. He is sometimes identified with Hades

Hades

Hades , Hadēs, originally , Haidēs or , Aidēs , meaning "the unseen") was the ancient Greek god of the underworld. The genitive , Haidou, was an elision to denote locality: "[the house/dominion] of Hades". Eventually, the nominative came to designate the abode of the dead.In Greek mythology, Hades...

 (or Orcus

Orcus (mythology)

Orcus was a god of the underworld, punisher of broken oaths in Italic and Roman mythology. As with Hades, the name of the god was also used for the underworld itself. In the later tradition, he was conflated with Dis Pater, who was the Roman equivalent of Pluto.Orcus was portrayed in paintings in...

 in Roman mythology

Roman mythology

Roman mythology is the body of traditional stories pertaining to ancient Rome's legendary origins and religious system, as represented in the literature and visual arts of the Romans...

) and sometimes said to be a servitor of Hecate

Hecate

Hecate or Hekate is a chthonic Greco-Roman goddess associated with magic, witchcraft, necromancy, and crossroads.She is attested in poetry as early as Hesiod's Theogony...

. The creature is now mostly known by association with the black metal

Black metal

Black metal is an extreme subgenre of heavy metal music. Common traits include fast tempos, shrieked vocals, highly distorted guitars played with tremolo picking, blast beat drumming, raw recording, and unconventional song structure....

 musician "Euronymous", Øystein Aarseth, who took his stage name from this figure. Mentioned in the Satanic Bible where the name is misspelled as Euronymous, Eurynomos is either a minor figure whose associated literature is lost to time, or an invention by the painter Polygnotos.

[In a painting of Hades

Hades

Hades , Hadēs, originally , Haidēs or , Aidēs , meaning "the unseen") was the ancient Greek god of the underworld. The genitive , Haidou, was an elision to denote locality: "[the house/dominion] of Hades". Eventually, the nominative came to designate the abode of the dead.In Greek mythology, Hades...

 by Polygnotos at Delphoi, Phokis] Eurynomos, said by the Delphian guides to be one of the daimones of Hades

Hades

Hades , Hadēs, originally , Haidēs or , Aidēs , meaning "the unseen") was the ancient Greek god of the underworld. The genitive , Haidou, was an elision to denote locality: "[the house/dominion] of Hades". Eventually, the nominative came to designate the abode of the dead.In Greek mythology, Hades...

, who eats off all the flesh of the corpses, leaving only their bones. But Homer

Homer

In the Western classical tradition Homer , is the author of the Iliad and the Odyssey, and is revered as the greatest ancient Greek epic poet. These epics lie at the beginning of the Western canon of literature, and have had an enormous influence on the history of literature.When he lived is...

’s Odyssey

Odyssey

The Odyssey is one of two major ancient Greek epic poems attributed to Homer. It is, in part, a sequel to the Iliad, the other work ascribed to Homer. The poem is fundamental to the modern Western canon, and is the second—the Iliad being the first—extant work of Western literature...

, the poem called the Minyad, and the Returns, although they tell of Hades and its horrors, know of no daimon called Eurynomos. However, I will describe what he is like and his attitude in the painting. He is of a colour between blue and black, like that of meat flies; he is showing his teeth and is seated, and under him is spread a vulture’s skin. - Pausanias

Pausanias (geographer)

Pausanias was a Greek traveler and geographer of the 2nd century AD, who lived in the times of Hadrian, Antoninus Pius and Marcus Aurelius. He is famous for his Description of Greece , a lengthy work that describes ancient Greece from firsthand observations, and is a crucial link between classical...

 10.28.7

Source: Dictionary of Greek and Roman Biography and Mythology.

A character called Eurynomos does show up in The Odyssey

Odyssey

The Odyssey is one of two major ancient Greek epic poems attributed to Homer. It is, in part, a sequel to the Iliad, the other work ascribed to Homer. The poem is fundamental to the modern Western canon, and is the second—the Iliad being the first—extant work of Western literature...

, but he is a human, the third son of Aigyptios, and has no relation to the demon described by Pausanias

Pausanias (geographer)

Pausanias was a Greek traveler and geographer of the 2nd century AD, who lived in the times of Hadrian, Antoninus Pius and Marcus Aurelius. He is famous for his Description of Greece , a lengthy work that describes ancient Greece from firsthand observations, and is a crucial link between classical...

.