Who Killed Who is an MGM theatrical cartoon directed by Tex Avery and released in 1943. The animated short is about a man who is murdered and a detective enlisted to solve the murder. Upon arriving to the murder scene, the detective encounters many problems, the main one being who committed the crime. This film uses a lot of humor and stereotypes of murder mysteries. The animation is excellent in creating a humorous atmosphere and Tex Avery goes above and beyond trying to make the viewers laugh.