Blitz Mouse is the 104th one reel animated Tom and Jerry short, created in 1942, directed and produced by William Hanna and Joseph Barbera with music by Scott Bradley. It was animated by Ed Barge, Irven Spence, Lewis Marshall and Kenneth Muse, with backgrounds by Robert Gentle and layouts by Richard Bickenbach. It was released on December 14, 1942 by Metro-Goldwyn-Mayer.