There are few things worse than walking into a Halloween party only to find out that someone is wearing the same costume as you. To avoid the horror of spending hours (days, even weeks) recreating a look replicated by the rest of the world, Google compiled a list of the most popular Halloween costumes both nationally and locally in its annual Frightgeist report. Take a look at this year’s top ten to make sure you don’t dress up like everyone else on October’s biggest day.