Cosplay fans attend the second day of New York Comic Con 2013 at the Jacob K. Javits Convention Center on Friday, October 11. New York Comic Con is one of the largest comic book and science fiction conventions. It brings together fans of fantasy role playing, science fiction, movies and television. Pictured is a a fan dressed as Harley Quinn. See what other attendees are wearing this year. Neilson Barnard/Getty Images

An attendee stands as the masked vigilante, Rorschach from the graphic novel "Watchmen." Neilson Barnard/Getty Images

This fan dressed as the comic book character Judge Dredd. Neilson Barnard/Getty Images

Catwoman is a popular character at these conventions. Actresses that have donned the cat costume include Julie Newmar, Lee Meriwether, Eartha Kitt, Michelle Pfeiffer, Halle Berry and Anne Hathaway. Neilson Barnard/Getty Images

A fan poses dressed as a goat man. Neilson Barnard/Getty Images

Many people like to dress as Disney princesses, but sometimes it's more fun to dress as the villains, like this fan who poses as Ursula, the sea witch from "The Little Mermaid." Neilson Barnard/Getty Images

Go Go Power Rangers! This fan has already morphed into his battle suit and is ready for combat. Neilson Barnard/Getty Images

This fan poses as Marvel's Scarlet Witch from X-Men and the Avengers. Neilson Barnard/Getty Images

An attendee poses in the iconic Superman stance for the first day of New York Comic Con 2013 on Thursday, October 10. Neilson Barnard/Getty Images

This fan aims his gun as he poses as Vash the Stampede from the anime series "Trigun." Neilson Barnard/Getty Images

Comic conventions are for anyone, no matter which side you choose. These fans pose as Two-Face, left, Black Cat, and Batman. Neilson Barnard/Getty Images

What would a comic book convention be without a variety of Stormtroopers? Neilson Barnard/Getty Images

Even younger fans can take part in the fun, like this little guy dressed as DC's the Flash. Neilson Barnard/Getty Images

Hey! It's French electronic musical duo Daft Punk... or fans with eerily similar helmets. Neilson Barnard/Getty Images

This pair attended the convention as a zombie Alice in Wonderland and Two-Face. Neilson Barnard/Getty Images

Everyone's favorite funny feline character from the silent film era, Felix the Cat. Neilson Barnard/Getty Images

A fairly new comic book character, Dave Lizewski, or the teenage superhero, Kick-Ass, started fighting crime only five years ago. Neilson Barnard/Getty Images

This fan proves that gender doesn't matter when wearing a costume, even if it is Rainbow Brite. Neilson Barnard/Getty Images

These fans pose as Jedi's of the light and dark side of the force. Neilson Barnard/Getty Images