LOS ANGELES, CALIFORNIA: Arleen Sorkin, the voice behind Harley Quinn in the animated DC Universe, died on Saturday, August 26. She was 67.

While reports suggest that her death was due to complications from lung cancer, this has not been officially confirmed yet.

DC co-head James Gunn took to Instagram to share the news of Sorkin's demise. "Rest in Peace, Arleen Sorkin, the incredibly talented original voice of Harley Quinn, who helped to create the character so many of us love. Love to her family and friends," Gunn shared.

Who was Arleen Sorkin?

Arleen Sorkin was an American actress, comedian, and writer, known for her work in both live-action television and voice acting in animated shows.

Sorkin started her TV career on 'Saturday Night Live' in 1982 and played Geneva in the sitcom 'Duet' from 1987 to 1989. She then appeared in shows like 'Open House' (1989), 'Dream On' (1990), and 'Perry Mason: The Case of the Killer Kiss'.

She gained prominence for her role as Calliope Jones Bradford on the soap opera 'Days of Our Lives' in the 1980s.

However, she is perhaps best known for her iconic voice role as Harley Quinn in the animated DC Universe, including the 'Batman: The Animated Series' and various other DC animated projects.

Sorkin's portrayal of Harley Quinn, Joker's mischievous and unpredictable sidekick, became a fan favorite and has left a lasting impact on popular culture. Her distinctive voice and comedic delivery helped shape the character and contributed to her popularity among fans.

Apart from her acting career, Arleen Sorkin was also known for her creativity and wit. She co-created the character of Harley Quinn with Paul Dini, who was a writer on 'Batman: The Animated Series'.

Her contributions to the character's development and personality played a significant role in shaping Harley Quinn's identity.

Joker voice actor Mark Hamill offers condolences

Mark Hamill, who voiced Joker in 'Batman: The Animated Series' took to social media to express his condolences.

"Devastated to learn we’ve lost the brilliant Arleen Sorkin," Hamill wrote on X (previously known as Twitter). "Not just a wonderful talent, but a truly wonderful person. I’m grateful not only to have worked with her, but to have been her friend. Sending my heartfelt condolences to her family & loved ones."

Vincent Alexander, cartoonist and the creator of 'Musical Man and the Magic Kazoo', wrote on X, "R.I.P. Arleen Sorkin, the original voice of Harley Quinn. The way Sorkin was able to combine twisted loopiness with a hint of sympathetic sadness is key to what made the character work so well."