Come on people…these are mediocre at best, and far far to recent…I have two particular cameos in mind that easily top all of these: Mallrats and Comic Book: The Movie(both of which I have owned for well over a decade on DVD and still watch to this day)
I can already feel all of your applause and admiration. So in advance: You’re Welcome!
@serpent - He was famous for creating a collaborative method for creative commercial art, giving his coworkers credit and publicizing them, and saving an industry. Oh, and some creative work of his own.