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Seriously Clever Easter Eggs From DC Universe's 'Harley Quinn'

List RulesVote up the most interesting details from DC's Harley Quinn!

Now available to stream on HBO Max, DC Universe's Harley Quinn is one of the most inventive animated superhero series out there. Backed with a incredible voice cast, Harley and her crew of Poison Ivy, Clayface, King Shark, and Dr. Psycho are set on taking over Gotham. In doing so, a lot of Easter eggs have been uncovered, background gags revealed, and small details that'll change your perception of the series unearthed.

Have you started watching Harley Quinn yet? Take a look below and vote up the most interesting details and Easter eggs from DC's Harley Quinn!

  • 1
    54 VOTES

    Joker References "The Killing Joke" Arc

    In Harley Quinn, Joker says he paralyzed Police Commissioner Gordon's partner and is now seeking revenge. This isn't exactly what happens in the comic Batman: The Killing Joke, but it's extremely close. In the comic, Joker paralyzes Gordon's daughter, Barbara Gordon. Either way, Joker paralyzing someone close to Gordon is most certainly canon. 

    Great detail?
  • 2
    62 VOTES

    Harley's Past As A Gymnast

    It's no secret Harley used to be a gymnast, before she even became a doctor. Her flexibility and gymnastics skills faired well in the comics, as she's light on her feet and able to (literally) do backflips over her enemies. In a flashback in Harley Quinn, the audience sees this side of Harley, as she was apparently good enough to compete in the Olympics. 

    Great detail?
  • 3
    78 VOTES

    The Suicide Squad Keeps Trying To Recruit Harley

    Early in Season 1, Harley's crew gets a package full of Suicide Squad merchandise. King Shark asks if it's their new name, but Harley responds, "Ugh, it's a group that keeps trying to get me to join." They do wear the shirts the entire episode, though. 

    Great detail?
  • 4
    70 VOTES

    Adam West's Shark Repellent Comes Back

    In Batman: The Movie (1966), Adam West as Batman heroically goes head-to-head with a shark, and comes out victorious by using a spray can of "Shark Repellent." This handy invention makes another round in Season 1 of Harley Quinn, when Batman uses it on a ferocious King Shark. 

    Great detail?