Over medium heat melt butter and marshmallows stirring constantly until their are no lumps (about 3 minutes).
Stir in Rice Krispies and stir to combine.
Pour into a greased 9x13 dish and let chill in fridge for 30 minutes.
Melt chocolate chips in microwave in 30 second increments stirring in between until fully melted.
Pour melted chocolate over Rice Krispies treats.
Cut treats into rectangles.
Add 2 candy eyes.
Below eyes make a nose with orange frosting.
Draw a scarf with red and/or green frosting.
Make a smile and buttons with black frosting.