Lemmy Caution is a fictional character created by French writer Jean Bruce in the 1950s. He is a private detective known for his tough demeanor and sharp wit, often navigating the gritty underworld of crime. Caution became popular in a series of novels and later in films, where he was portrayed as a hard-boiled investigator. The character gained further recognition through the 1965 film Alphaville, directed by Jean-Luc Godard. In this film, Lemmy Caution is depicted as a secret agent sent to a dystopian city controlled by a supercomputer. His mission involves uncovering the truth and challenging the oppressive regime, blending elements of science fiction and film noir.