Cover cupcake with white glaze icing. Roll blue fondant to ½-in. thick and cut into two small cubes. Using little dabs of icing, decorate the head with a licorice pellet antenna, confetti eyes, candy button ears and a licorice lace mouth. Decorate the body with licorice pellet arms and legs, mini M&M feet, silver dragées and Warhead body parts. Attach head to body using a piece of taffy candy.