The Iconic '80s Rebel. Judd Nelson, known for his iconic roles in '80s teen films, embodies the spirit of rebellion, intellectual defiance, and youthful charm. As a character, he's a blend of his most memorable roles - the charismatic and quick-witted John Bender from 'The Breakfast Club', the ambitious and cunning Alex in 'St. Elmo's Fire', and the romantic and passionate David in 'Say Anything'.