In demonology, Haagenti is a Great President of Hell.
Haagenti is a Great President of Hell, ruling thirty-three legions of demons.
Haagenti is depicted as a big bull with the wings of a griffin, changing into a man under request of the conjurer.
Haagenti makes men wise by instructing them in every subject, transmutes all metals into gold, and changes wine into water and water into wine.
Haagenti is a great president, appearing like a great bull, having the wings of a griphen, but when he taketh humane shape, he maketh a man wise in everie thing, he changeth all mettals into gold, and changeth wine and water the one into the other, and commandeth as manie legions as Zagan. Pseudomonarchia daemonum - Johann Wier (1583)
The Forty-eighth Spirit is Haagenti. He is a President, appearing in the Form of a Mighty Bull with Gryphon's Wings. This is at first, but after, at the Command of the Exorcist he putteth on Human Shape. His Office is to make Men wise, and to instruct them in divers things; also to Transmute all Metals into Gold; and to change Wine into Water, and Water into Wine. He governeth 33 Legions of Spirits, and his Seal is this, etc. Goetia - S. L. MacGregor Mathers (1904)