The Destroyer, from a Hebrew word meaning destruction.
Chief of the demons of the seventh hierarchy. Abaddon
is the name given by St. John in the Apocalypse to the king of
the grasshoppers. He is sometimes regarded as the destroying
angel or prince of the underworld, also synonymous with Apollyon
(Rev. 9:11). (See also Black Magic)
Barrett, Francis. The Magus. London, 1801. Reprint, New
Hyde Park, N.Y.: University Books, 1967.