The jester costume was featured in a flashback in David Ayer’s Suicide Squad. ” In Batman: The Animated Series and subsequent early depictions, Harley wore a red and black jester costume, batman and robin costume which is why the character usually has a red and black wardrobe. TheSuicideSquad. The dress was one of the 1st designs – here’s a version before we settled on the red & black hair (which was very early). Drawn by artist Christian Cordella for costume designer Judianna Makovsky, the post features some of the first designs for Harley’s dress in the film and her uniform worn at the beginning.