Book of Angels Vol 5: Balan

The 51st spirit. A great duke of hell commanding over forty legions of soldiers. He shoots fire out his eyes and has three heads: that of a bull, a man, and a ram. He gives perfect answers to all things in all time as well as carrying the teachings of invisibility, cunning and finesse. He was one of the demons blamed in a case of mass demonic possession in Loudun in 1634 when the nuns were overcome by erotomania, screaming out blasphemies and displaying their genitalia (something that passes for a normal Saturday night these days, perhaps not with nuns).
Etymological second or third cousin to Balaam the false diviner and saboteur of the Torah.
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Asbeel the God deserter from the book of Enoch (a worthy Apocryphal read).