eviltwin Imaginary sinister sibling Identical antagonist in some fiction Holland Perry in "The Other," e.g Facetious scapegoat Facetious fall guy for one's bad behavior Charlie Chaplin played one in "The Great Dictator" Cause of double trouble? "The Dark Mirror" antagonist, e.g Classic object of blame-shifting Easily-blamed alter ego Person on your bad side? Facetious fall guy for one's wrongdoings, maybe Wicked alter-ego Wicked alter ego What a goatee might signal Person with inverted morality