This Batman shirt shows an image of the Joker’s sidekick, Harley Quinn posing with a spring loaded gun. Voted the 16th Sexiest Woman in Comics, Harley Quinn made her diabolical debut in Batman: The Animated Series and has since appeared in DC Comics publications. While most fans of the Batman franchise love the Joker, Harley Quinn took her love of the Joker to a whole new level, willing to do his bidding. Now, you can wear clown prince’s princess of crime on this Harley Quinn shirt.