Poke potatoes with a fork and microwave for 10 minutes until tender. Allow to cool until easy to touch. Slice in half lengthwise, scoop out most of the inside, leaving a 1/2-inch border. Dispose of the insides or store for future use.
On a baking sheet, layer potatoes cut-side down. Brush each half with 1 teaspoon of olive oil, then flip them over. Sprinkle evenly with 1/4 teaspoon of Italian seasoning and 1 teaspoon of Parmesan cheese on each potato half.
Bake in the preheated oven for 12-15 minutes until the shells are crisp.
Place the meatballs on microwave-safe plates, cover with paper towels, and microwave each batch for 70 to 75 seconds until hot. Allow them to rest until the cheese is melted but cool enough to handle.
Wrap the cheese strings around the meatballs to give them a spooky mummy look. Repeat for all the meatballs and cheese.
Take the potato skin coffins out of the oven, place a mummy in each, and then add candy eyeballs for a spooky touch.