The demon Annobath appears in the grimoire The Book of Oberon
From The Book of Oberon, Dan Harms edition:
Annobath
Annobath, a lord and governor, appeareth like an armed knight, and rideth upon a pale horse, and he is crowned with a double crown, and beareth in his hand a warlike spear, and he teacheth the knowledge of Necromancy, geomancy, and chiromancy, and the art magick, and telleth of treasures, and who keepeth them, and how they may be come by, and he giveth true answers, and that to the master, and hath under him 18 legions
This demon rides the creature Horse
