Wolf Devil Woman (Mandarin: 狼女白魔, pronounced Lang nu bai mo), also known as Wolfen Ninja, is a 1982 Taiwanese fantasy horror film starring and directed by Pearl Chang. The English-dubbed version of the film is notable for its bizarre vocal performances, particularly the vocal performance for the film's antagonist, "The Devil", who speaks like American cartoon character Yosemite Sam. The film was followed by a 1983 sequel, , which also starred and was directed by Pearl Chang.