Harley has had several different looks over the years as she's appeared in different incarnations.  Down below we take a look at them! :) Click on an image to see it full size!

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FIRST CONCEPT SKETCH

Doodled by Paul Dini as ideas on Harley's look for her appearance in 'Joker's Favour' and presented to Bruce Timm, who apparently said "hmmmmm... No."

This is a very cute glimpse at a 'coulda been' Harley. Love the flashy over the top "glasses/mask" and the bouffant hair-do as well as the very cute Joker and Harley doodle in the top left hand corner and the Harley and Bats one in the lower left hand corner. Hee!

Just think what could've been folks... ! :D

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CLASSIC HARLEY (B:TAS)

And this is the Harley every knows and loves, the original design that debuted with the animated series in 1992 and the comic book based on the series.

A classic jester costume, suitably modified to suit Harley's killer bod, striking in its simplicity and absolutely gorgeous, along with Harley's trademark wide, sexy and sligtly sinister grin!

This classic look was changed only minimally for the new series, becoming more streamlined and angular, but that's it.

animated harley
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MAINSTREAM COMICS HARLEY

Ahhh, the mainstream Harley. The slightly whackier, more dangerous Harley.

Once again, the classic costume design has really not been altered - it doesn't need to be, it's too fabulously perfect a costume!

Of course, to suit the more detailed style of the mainstream, Harley is rendered here and in the mainstream comics in a more 'realistic' style.

Also, is it just me, or did she also get inflatable boobies??

Lookin' good, Harls.

mainstream harley
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THE BATMAN HARLEY

The design of the Harley Quinn for the new 'The Batman' animated series was modified slightly to fit in with this series' highly stylised and quite kooky look.

Harley's history changed a little too - she was a TV psychologist after an interview with The Joker to remake her reputation when Mister Jay twisted her mind and took advantage of her. He also took her on a pretty awesome date and openly drooled over her new look.

I love it! It's bent and twisted and quite an insane Harley look.

the batman harley
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ELSEWORLDS HARLEY

In the Elseworlds special 'Thrillkiller '62'. an alternative looking Harley Quinn had a brief, but memorable appearance.

This Harley's real name was Hayley and she was a teenager obsessed with Batgirl and Robin and the 'Joker' of this story - a woman named Bianca Steeplechase.

She ends up hooking up with Bianca, having become infatuated with her, and causing a bit of twisted mayhem.

And looks pretty neat doing it!
thrillkiller harley
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BIRDS OF PREY HARLEY

Dr. Harleen Quinzel was a regular character in the short-lived live-action TV series, 'Birds of Prey'.

Played by Mia Sara (who I love solely due to 'Legend') she never makes an appearance as Harley Quinn, but is apparently trying to
carry on the work of The Joker!

I've never seen the series so I can't say for sure - but as cute as Mia Sara is, this lacks something. Too strait-laced! The only live-action Harley we've had yet though!