A Herman Munster costume or Lily Munster costume is immediately recognized and brings a smile to everyone’s face. There are many masks and accessories available to add authenticity to Munster costumes. Grandpa Munster is very memorable too! You can find an Eddie Munster costume or a Marilyn Munster costume online. A good place to get a discount Munster costume is at eBay. Some sellers offer free shipping. Here are some of today’s eBay listings for a Munsters Halloween costume: