As any Harley Quinn fan worth their salt already knows, the creation of Harley Quinn was inspired by Paul Dini's real life friend, actress Arleen Sorkin.
Here's Miss Sorkin in a scene from 'Days of Our Lives' that could very well have served as catalyst to that inspiration:
(Dini says something to the effect that Arleen was wearing a 'Pied Piper' costume, but he could have been remembering this scene differently. I mean really, who commits a scene, any scene, of Days of Our Lives to memory with crystal clarity?)
In other Harley Qwednesday news: Yes, I did download Harley Quinn's Revenge to add on to Arkham City. More on that next week!