Mysterious Mose is a 1930 Fleischer Studios Talkartoon animated short released through Paramount Pictures. It was released in late December the same year. This film contains an early version of Betty Boop and the studio's star, Bimbo. Mysterious Mose was a song from early 1930, first performed by Walter Doyle and his Orchestra. There are numerous recordings of the song, including Cliff Perrine and his Orchestra and R. Crumb & His Cheap Suit Serenaders. It was written by Walter Doyle and recorded for Columbia in April 1930 by Rube Bloom and His Bayou Boys.