Uvall

Uvall - before he fell, an angel of the order of powers.  Now, in Hell, Uvall is a great duke with 37 legions of infernal spirits ready to do his bidding.  His office is to procure the love of women at the behest of invocants.  He speaks Egyptian "but not perfectly," according to Waite, The Lemegeton.  Nowadays, it appears, Uvall converses in the colloquial Coptic.  His sigil is figured in Waite, The Book of Black Magic and of Pacts. p. 180.  (a)

Vuall is a great duke and a strong, he is seene as a great and terrible dromedarie, but in humane forme, he soundeth out in a base voice the Ægyptian toong. This man above all other procureth the especiall love of women, and knoweth things present, past, and to come, procuring the love of freends and foes, he was of the order of potestats, and governeth thirtie seven legions. (g)

UVALL, VUAL, or VOVAL. - The Forty-seventh Spirit Uvall, or Vual, or Voval. He is a Duke, Great, Mighty, and Strong; and appeareth in the Form of a Mighty Dromedary at the first, but after a while at the Command of the Exorcist he putteth on Human Shape, and speaketh the Egyptian Tongue, but not perfectly.²¹ His Office is to procure the Love of Woman, and to tell Things Past, Present, and to Come. He also procureth Friendship between Friends and Foes. He was of the Order of Potestates or Powers. He governeth 37 Legions of Spirits, and his Seal is this, to be made and worn before thee, etc. (h)

²¹ He can nowadays converse in sound though colloquial Coptic.-ED.

The Names of Some of the Good and Bad Spirits Solomon Made Use of which are mentioned in Enoch's Seven Tables, with a true account of their shapes, powers, government and effects, with their several seigniories* and degrees.

61 VUAL, is a great Duke and strong.  He is seen as a great and terrible Dromedary, but in human form.  He soundeth in a base voice the Egyptian tongue, procureth the special love of women, and knoweth things past, present and to come, procuring the love of friends and foes.  He was of the Order of Potestates and governeth 37 Legions. (s)

*this is the spelling in the text

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

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

(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

(s) "A Treatise on Angel Magic, Being a Complete Transcription of Ms. Harley 6482 in the British Library."  Edited & Introduced by Adam McLean.  Phanes Press.  ©1990.  First published in 1949.