Balaoo the Demon Baboon (1913)

"Balaoo the Demon Baboon" is a 1913 Horror movie directed by Victorin-Hippolyte Jasset and starring by Lucien Bataille, Camille Bardou. An ape, turned near human by Dr. Coriolis and given the name 'Balaoo', is smitten by the beauty of Coriolis' niece, Madeleine. Being inquisitive, though, he runs off, getting into mischief, and falls in with a poacher who saves his life. Acting now as his slave Balaoo kills a man for the poacher, but balks on his orders to kidnap Madeleine, deciding instead to set a trap for the poacher.