Mnemoth

"Mnemoth has always been with us. Through all the famines, the hunger of the starving masses gave the spirit strength. Nothing could satisfy the demon's appetite. After consuming a body, it moved on to the next, leaving a growing trail of death."

- Nommo on Mnemoth.

Mnemoth is a demon feeding on hunger.

Sudan
Mnemoth was feeding himself with the hunger od starving masses in Sudan, eventually drawing the attention of a local Shaman, who had noticed him feeding on people of his village. He invited Mnemoth to enter the boy whom the shaman offered as a sacrifice. After a ritual involving a scared kusa knife, which was used for scarification. Markings were keeping demon trapped inside a boy, whose tongue was cut for the same reason.

Possessed boy was wandered to Khartoum, where he was discovered by Gary Lester, hoping to atone for Newcastle incident involving his crew. He managed to exorcise the demon and trap him in the bottle.

United States
When Lester arrived in Atlanta, the bottle was dropped by customs officer, who then become possessed with the demon himself. Wondering from body to body, Mnemoth ended up possessing a man in Fox Theatre, where he was confronted by Lester and John Constantine. The former decided to sacrifice himself and become a new vessel for the demon, eventually dying in a painful agony, after which Mnemoth likely returned to Hell.

Powers

 * Possession: Mnemoth was able to possess people in order to harvest the energy provided by their endless hunger.
 * Hunger Control/Inducement: Mnemoth had a power to greatly increase the hunger of those he had possessed.
 * Insect physiology: Mnemoth manifested himself in the form of swarm of khapra beatles.

Behind-the-scenes

 * In the DC comics Mnemoth was also a demon possessing people with enormous hunger. His story of enmity with Gary Lester and John Constantine was adapted very closely to the original comics storyline.