Make horozontal slit in center of each marshmallow; insert licorice candy into slit for eye. Insert lollipop stick into center of bottom of each eyeball; set aside. Combine milk and drink mix in med. saucepan. Stir in chocolate chips. Cook over med. heat, stirring occasionally, until chips are melted and milk is heated through. Place 2 eyeballs in each mug; fill mug with hot cocoa. Add Bailey's Irish Cream to taste.Serve immediately.