Arleen Sorkin, the acclaimed comedic actor who was both the direct inspiration for the creation of Harley Quinn, as well as the original voice of the iconic character, has passed away at the age of 67. After unconfirmed reports of her death appeared on social media on Saturday, The Hollywood Reporter confirmed the actor's passing, which occurred earlier this week.
Source:https://www.cbr.com/arleen-sorkin-harley-quinn-inspiration-voice-actor-obituary/