Each cupcake serves 1.
Line muffin pan with baking cups. Fill 1/2 full with your favorite cupcake recipe or batter from a mix. Bake according to recipe instructions. Cool completely.
Spatula ice tops of cupcakes with yellow, green, light rose, blue and orange buttercream icing; sprinkle with matching colored sugars. Cut licorice into 3 in. lengths. Insert spice drops into licorice to make feet and antennae; insert into cupcakes. For head cupcake, position white gumball eyes; attach brown M&M® pupils with buttercream. Position red M&M® nose and licorice mouth. (If desired, pupil and mouth can be made with icing.)
Arrange cupcakes on covered cake board or other flat serving piece.