Bake cupcakes according to boxed mix directions
Ice your cupcakes with chocolate frosting, and cover with OREO crumbles.
Stick a lollipop stick into cupcake.
Thread a mini marshmallow onto stick
Thread a yogurt pretzel onto stick
Repeat two more times (threading marshmallow then pretzel)
Draw a face on a large marshmallow using a black food pen
Stick head on top of stick
Cut one yogurt pretzel in half to make skeleton arms
Attach to the body yogurt pretzels