Pazuzu

Pazuzu is the main antagonist in The Exorcist horror novels and film series, created by William Peter Blatty. Blatty derived the character from Assyrian and Babylonian mythology, where the historic Pazuzu was considered the king of the demons of the wind, and the son of the god Hanbi. In The Exorcist, Pazuzu appears as a demon who possesses Regan MacNeil.

Assyrian demon Pazuzu, first millennium BC Pazuzu is often depicted as a combination of animal and human parts with his right hand pointing upwards and his left hand downwards. He has the body of a man, the head of a lion or dog, eagle-like taloned feet, two pairs of wings, a scorpion's tail, and a serpentine penis.