In medium bowl, stir Bisquick mix and very hot water until soft dough forms; beat vigorously 20 strokes. Press dough in pizza pan, using fingers dipped in Bisquick mix; pinch edge to form 1/2-inch rim. Spread pizza sauce over dough. Sprinkle with cheese. Place pepperoni slices on pizza in mask shape, overlapping pepperoni slightly. Place olive slices in mask for eyes.