Johnny “Big Moose” Walker (June 27, 1927 – November 27, 1999) was an American Chicago blues and electric blues pianist and organist. He worked with many blues musicians, including Ike Turner, Sonny Boy Williamson II, Lowell Fulson, Choker Campbell, Elmore James, Earl Hooker, Muddy Waters, Otis Spann, Sunnyland Slim, Jimmy Dawkins and Son Seals.^[2]