Lucifer B. "Lu" Guarnier (20 July 1914 - 29 December 2007) was an American animator. He worked in Bob Clampett's animation unit on several cartoons including Clampett's directorial debut "Porky's Badtime Story". He left Leon Schlesinger Productions in early 1941 after being drafted into the Army, becoming an animator at the Signal Corps’ Training Film Lab.[1]