"Randall Darius" ""Randy"" "Jackson" is an American bassist, former television music competition adjudicator/judge, singer, record producer, entrepreneur and television personality. He is best known from his former work as a judge on American Idol and executive producer for MTV's America's Best Dance Crew. Jackson has won a Grammy Award as a producer. Jackson is no longer a mentor on American Idol.If you enjoy these quotes, be sure to check out other famous musicians! More Randy Jackson on Wikipedia.