He is known for his roles as John Bender in `` The Breakfast Club '' , Alec Newbary in `` St. Elmo 's Fire '' , Hot Rod and Rodimus Prime in ' and ' , Nick Peretti in `` New Jack City '' and Jack Richmond in `` Suddenly Susan '' .
He is best known for his roles as John Bender in `` The Breakfast Club '' , Alec Newbary in `` St. Elmo 's Fire '' , Hot Rod and Rodimus Prime in '' '' and Jack Richmond in `` Suddenly Susan '' .