- Do you cuties need some counseling? I'm a trained therapist.
- — Harley Quinn src
- This version of the character is exclusive to the continuity of the television series Arrow (TV Series) and is an adaptation of Harleen Quinzel/Harley Quinn. The original character was created by Paul Dini and Bruce Timm and first appeared in the episode "Joker's Favor" of the series Batman: The Animated Series.
- Harley Quinn was physically portrayed by Cassidy Alexa (credited as "Deranged Squad Female") and was voiced by Tara Strong.
- 1 Appearances of Harleen Quinzel (Arrow)
- 3 Images featuring Harleen Quinzel (Arrow)
- 1 Quotations by or about Harleen Quinzel (Arrow)
- Character Gallery: Harleen Quinzel (Arrow)
Suicide Squad member