Matthew Christopher Miller (born June 29, 1982), who goes by the stage name Matthew Mercer, is an American voice actor. Some of his major roles have been in English dubs of Japanese anime, including Levi in Attack on Titan, Kiritsugu Emiya in Fate/Zero, Trafalgar Law in One Piece, and Jotaro Kujo in JoJo's Bizarre Adventure: Stardust Crusaders.