High Quality Content by WIKIPEDIA articles! Dennis Wayne Johnson (September 18, 1954 – February 22, 2007) nicknamed "DJ", was an American professional basketball player for the National Basketball Association`s (NBA) Seattle SuperSonics, Phoenix Suns and Boston Celtics and coach of the Los Angeles Clippers. He was an alumnus of Dominguez High School, Los Angeles Harbor College and Pepperdine University.