Red Skelton starred in a series of three "Whistling" movies. They are:
Whistling in the Dark (1941) (1941)
Whistling in Dixie (1942) (1942)
Whistling in Brooklyn (1943) (1943)
Note that the first film is an adaptation of a 1932 Broadway play, which had already been made into a movie. See
Whistling in the Dark (1933) (1933).
See also: the trivia page for this title