He played the rebellious J.D, in "Heathers"
[DOC] [TLE] Heathers (1988) - IMDb [PAR] Comedy  In order to get out of the snobby clique that is destroying her good-girl 
reputation, an .... Mark runs a pirate radio station and causes an uproar when he 
speaks his .... and cliche and spins it in a goofy plot of rebellion and revenge 
gone amuck.