Harley Quinn most searched Halloween costume in 2016
According to the search engine Google Frightgeist, 'Harley Quinn' is the most searched Halloween costume of the year 2016. This was followed by searches for 'Joker' and 'Superhero', which came second and third respectively. Other searches which made it to the top ten list include 'Wonder Woman', 'Batman', 'Clown' and 'Dinosaur'.