Decorate cakes. Tint portions of reserved white icing brown and red. Reserve remaining white. Use tip 2 and brown icing to pipe dot eyes and mouth. Use tip 6 and red icing to fill in hat. Pat smooth with finger dipped in cornstarch. Use tip 3 and red icing to pipe outline suit. Use tip 3 and white icing to pipe zigzag hat brim, ball pompom, swirl beard and outline mustache. Use tip 3 and reserved copper icing to pipe dot nose.