Abaasy: Demon of disease and destruction. (Yakut)
Amagyat: A familiar; the spirit of a Shaman who acts as a protector, companion, and advisor for a living Shaman. (Yakut)
Archdemon: A superior demon in the infernal hierarchy.
Ardat Lili: A night demon; a succubus, or a young female spirit associated with children and pregnant women, also a storm demon. One in the demon-triad formed by Lilu (the male), Lilitu (the female), and Ardat Lili (the handmaid). (Sumerian)
Ashinaga and Tenaga: A pair of bearded goblins, one long-legged and one long-armed, working together to achieve goals such as catching fish. (Japanese) image
Asmodai: Demon of wrath, prince of demons, the father of monsters, inspires gambling, deceit, lust, and revenge, more powerful in the month of November. From Avestan Aesma-daeva. (Judeo-Christian) image
Astaroth: The prince of Hell, the treasurer of Hell, a harbinger, associated with serpents, and the classical sciences, inspires laziness and vanity, more powerful in the month August. bef.1600. From Hebrew Ashtaroth. (Islamic, Judeo-Christian, Satanic) image