Aubrey Wilson Mullican (March 29, 1909 – January 1, 1967), known as Moon Mullican, and "King of the Hillbilly Piano Players", was an American country and western singer, songwriter, and pianist. However, he also sang and played jazz, rock 'n' roll, and the blues. He was associated with the hillbilly boogie style which greatly influenced rockabilly. Jerry Lee Lewis cited him as a major influence on his own singing and piano playing.