- Most popular costume in Google Trends is Harley Quinn
- The character debuted on "Batman: The Animated Series" in 1992 and appears in 2016's "Suicide Squad"
Superheroes, who dominate movies and TV, remain popular, but a villain is the most sought-out costume of all, according to Google Trends' Frightgeist
The top costume search is "Suicide Squad" character Harley Quinn, according to the site, which measures Google queries locally and nationally.
The character, played by Margot Robbie in the upcoming film, has been popular for decad