Little Sonny (born Aaron Willis, October 6, 1932, Greensboro, Alabama) is an American electric blues harmonica player, singer and songwriter. His early mentor and inspiration was Sonny Boy Williamson II. Nevertheless, Little Sonny stated that his nickname originated with his mother. "[She] called me 'Sonny boy' from the time I can remember." He has released eight albums, including a trio on a subsidiary of Stax Records. His 1973 release, Hard Goin' Up, reached the Top 50 in the US Billboard R&B chart.