You may not realize it, but all those searches for Halloween costume ideas are tracked by Google and ranked on it's Frightgeist page.

This year, expect to see lots of Harley Quinns. The comic super-villain from Suicide Squad is currently trending at #1 nationally.

In fact, comic book characters make up four of the top five spots, with the Joker coming in #2, Superheroes in general #3, a Pirate #4, and Wonder Woman #5.

The page also lets you find out the most popular costumes in your region. In the Sioux Falls area, Harley Quinn is #1, followed by the Joker, a Dinosaur, The Renaissance, and Yoshi.

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