Before there was King James, The Black Mamba, and Durantula, there was The Human Highlight Film. Dominique Wilkins’ acrobatic moves and incredible slam-dunks merited his nickname. After two Slam Dunk titles, nine All-Star appearances, 26,668 career points, and 7,169 rebounds during his 15 seasons in the NBA, Nique was destined for the Hall of Fame. Here are 21 classic SI photos of No. 21, who turned 56 years old on Jan. 12, 2016.