Malphas is the 39th demonic spirit listed in the Ars Goetia and is second in command under Satan. Malphas is a grand president of Hell who governs forty legions of demons. Malphas appears as a raven or in human form with a raucous voice.
He builds citadels, impregnable towers and grand strongholds, breaks down the barricades of the enemies, find good workers, can destroy the enemies' desires or thoughts (and/or make them known to the conjurer), gives good familiars, bring quickly artificers together from all places of the world, and will receive sacrifices but deceive the sacrificers.