1. Add about 6 drops of green food coloring to the tub of store-bought frosting; mix to combine. Frost graham crackers. Spread a line of frosting horizontally across the top of a chocolate wafer cookie and attach behind the bottom of the graham cracker so it looks like a bolt. Place two candy eyeballs on each cracker.
2. Tear of pieces of black licorice rope to form hair and mouth.