William Thomas “Champion Jack” Dupree (July 23, 1909 or July 4, 1910 – January 21, 1992) was an American blues and boogie-woogie pianist and singer. His nickname was derived from his early career as a boxer. Dupree was a New Orleans blues and boogie-woogiepianist, a barrelhouse “professor”. His father was from the Belgian Congo and his mother was part African Americanand Cherokee. His birth date has been given as July 4, July 10, and July 23, 1908, 1909, or 1910; the researchers Bob Eagle and Eric LeBlanc give July 4, 1910.