Bake and cool brownies following mold directions. Unmold brownies, and position on cooling grid over cookie sheet.
Follow directions for heating Decorator Icing; tint portions orange, green and black using icing colors. Using orange icing in cut disposable bag, cover brownies. Let set on waxed paper-covered cake board.
Pipe in tip 2 eyes in white, mouth, outline eyebrows and dot pupils in black, nose in orange (pat smooth with finger dipped in cornstarch). For stem, pipe tip 4 ball in green. Pipe tip 1 tendrils in green.