Amy

Amy - Once an angel of the order of angels and of the order of powers, Amy is not "a great president" in the lower realms.  He "gives perfect knowledge of astrology and the liberal arts."  He once confided to King Solomon that he hopes to return to the 7th throne "in 1200 years," which says the demonologist Wierus, "is incredible."  Amy's seal is figured in The Book of Black Magic and of Pacts, p. 184 (a)

Amy: Grand President of Hades, and one of the princes of the infernal monarchy,  He appears there enveloped with flame, but on earth, in human form.  He teaches the secrets of astrology and of the liberal arts, and gives faithful servants.  He reveals to those who possess his favour, the hiding-place of treasures guarded by demons.  36 of the infernal legions are under his command.  The fallen angels acknowledge his orders, and he hopes that at the end of 200,000 years, he shall return to heaven to occupy the seventh throne. (b)

Amy is a great president, and appeareth in a flame of fier, but having taken mans shape, he maketh one marvelous in astrologie, and in all the liberall sciences, he procureth excellent familiars, he bewraieth treasures preserved by spirits, he hath the governement of thirtie six legions, he is partlie of the order of angels, partlie of potestats, he hopeth after a thousand two hundreth yeares to returne to the seventh throne: which is not credible. (g)

AMY, or AVNAS. - The Fifty-eighth Spirit is Amy, or Avnas. He is a Great President, and appeareth at first in the Form of a Flaming Fire; but after a while he putteth on the Shape of a Man. His office is to make one Wonderful Knowing²⁵ in Astrology and all the Liberal Sciences. He giveth Good Familiars, and can bewray Treasure that is kept by Spirits. He governeth 36 Legions of Spirits, and his Seal is this, etc. (h)

²⁵ Thus in the actual Text.

Resource List - all entries are taken verbatim from the original source:

(a) "The Dictionary of Angels" by Gustav Davidson, © 1967

(b) "Encyclopaedia of Occultism" by Lewis Spence. ©1959

(g) Pseudomonarchia daemonum - Johann Wier (1583)

(h) The Lesser Key of Solomon.  GOETIA.  Compiled and Translated By S.L. "MacGregor" Mathers.  Editing and Additional Material By Aleister Crowley