Cover cupcake with green glaze icing. Stick nine green mini M&Ms on cupcake, forming a square. Warm yellow taffy for 5 to 7 seconds in the microwave. Roll taffy into a ball, then flatten ends to create a cylinder. Attach two pea-sized pieces of flattened yellow taffy on top and bottom of cylinder. Using a black food colouring pen, draw eyes and mouth on head. Place in centre of cupcake.