The dynamic duo of Joker and Harley Quinn has captivated audiences for decades with their twisted love story and chaotic antics. From comic books to animated series, these iconic characters have left an indelible mark on popular culture. However, it was their transition to the big screen that truly solidified their status as cultural icons. Harley Quinn made her continuity debut in 1999’s Batman: Harley Quinn one-shot. Like her animated counterpart, Harley was the Joker’s psychiatrist at Arkham who decided that she’d rather be his girlfriend than his shrink. These days, Harley is almost more famous than her murderous ex, and she’s currently starring in her own hit animated Now, recently, a photo of Lady Gaga dressed up as Harley Quinn from the sets of Joker: Folie a Deux is hitting the internet. In the photo, Gaga can be seen donning a short black dress paired with Celebrate the supervillainess with this pocket-sized book filled with Harley Quinn’s most memorable moments from the original comics and subsequent movies. Harley Quinn Tiny Book $11.99 $11.35 The Joker/Harley Quinn news comes 24 hours following news of a solo Joker project in the works written, and possibly directed, by Hangover's Todd Phillips.. That Joker origin movie news was met fxor1Q.