Microwave butter in a large bowl for 30 seconds. Add Marshmallows to bowl and stir.
Microwave mixture for 45 seconds. Stir and add food coloring.
Microwave an additional 45 seconds.
Stir marshmallow mixture well and add popcorn.
Use 4 tablespoons to create balls the size of a baseball on wax paper.
Add monster eyes. Add licorice strings for hair and candy corn for teeth.
Allow to harden and enjoy!