Without the text I would have honestly not been able to tell which characters they were supposed to be. There is nothing suggestive of a clown, jester or harlequin in Harley Quinn's clothing choice, and I'm pretty sure the character isn't even a nurse(all the comics I read she was a psychiatrist). Likewise Killer Frost doesn't look like she has anything to do with snow, frost or winter. Catwoman is identifiable as someone who is cat themed but the 'classy cat burglar' aspect is lost.
“If you trust in yourself, and believe in your dreams, and follow your star, you’ll still get beaten by people who spent their time working hard and learning things and weren’t so lazy. Goodbye.” - Terry Pratchett