HomePeople Biography and filmographyMatt E. Mixer Biography unavailable on TMDB. Movies (0)TV shows (2) Movies (0) No credits available. TV shows (2) American Dad!2005 · Cop (voice), Townsperson (voice), Diner Patron (voice), (voice), Dr. Weitzman (voice), Alien (voice) New Kids on the Block1990 · Jonathan Knight (voice)