An elephant-headed man was used to great effect in a classic of the sword and sorcery genre, Robert Howard’s tale "The Elephant in the Tower," featuring his Conan the Barbarian.
Source:
P. Gasparis Schotti. Physica Curiosa, Sive Mirabilia Naturæ et Artis Libris. Herbapoli (Wurzburg): J. A. Endeteri & Wolfgangi, 1667. Page 582, Plate 9.