Mammon: Demon of wealth, son of the Devil, inspires gross injustice, idolatry, and the love of money over all other things. From Late Latin Mammon, from Greek Mammonas, from Aramaic Mamona. c.1362. (Judeo-Christian) image

Mandrake: A dangerous spirit inhabiting the root of the Mandragora plant, can be used to bring wealth and wisdom to its owner. (German)

Mara: The personification of evil and temptation, the seducer, provider of sensory pleasures, master of delusions and bringer of spiritual death. From Sanskrit Māra the killer. (Buddhism)

Marching Horde: A demon swarm, war bringers.

Moloch: The king, inspires shameful acts, child abuse and abduction, more powerful in the month of December. From Hebrew molekh, melekh. (Judeo-Christian, Sumerian) image