Duela Dent is from Earth-3, she is the daughter of Three-Face and Jokester. She was part of The Riddler Family, with the Riddler been her step-father.
Duela Dent was created by Bob Rozakis. Her first appearance was in Batman Family #6.
Duela Dent first appeared baffling and confounding Robin. Calling herself the Joker's Daughter, and dressing in his distinct purple pin-striped suits, she vowed to Robin that she would figure out his secret identity while he tried to figure out hers. In the following months, Robin would meet various masked female opponents claiming to be the daughter of some of Gotham City's more illustrious criminals, like the Penguin, Scarecrow, Catwoman and the Riddler. Robin would ultimately find out that it was actually Duela Dent each time they crossed paths.
Major Story Arcs
Duela was able to determine Robin's real identity, Dick Grayson, and used this knowledge to get his help in joining the Teen Titans, a team of teenage superheroes in which Robin was a member. She claimed she wanted to atone for her father's crimes. Duela also revealed her real name and that she was actually the daughter of Two-Face. She explained that she wanted to join the Titans to make reparations for her father's criminal behavior. Duela Dent created the identity of the Harlequin and donned a new costume when she joined the team, but was only a member briefly before the Titans disbanded. For a short time, she called herself Card Queen and eventually showed up at the wedding of Donna Troy without a mask, looking much older, and revealed that she was too old to be Two-Face's daughter. She disappeared during the events of the Crisis of Infinite Earths.
The Harlequin has exhibited delusional and psychotic behavior, taking delight in confusing everyone about who her infamous parent is. She became an ally of the Teen Titans when they were forced to face the Justice League Of America. Duela Dent eventually joined the Titans East simply because she was asked. She fought alongside her team until Raven asked if Duela wanted to joins the Teen Titans instead. She accepted the invitation and clubbed Enigma on the head, assisting Raven. Duela Dent was a member of the Teen Titans before she was killed by one of the Monitors , due to her being an anomaly in the present DC Universe. A contingent of Titans, including Donna Troy, Jason Todd, Robin, and Nightwing have made it their purpose to avenge Duela Dent.
Powers & Abilities
In Pre-Crisis continuity, Duela Dent used outrageous gimmicky weapons, including a pipe that blew explosive or sticky bubbles. She also had a lipstick tube that shot bullets and a giant powder puff that stunned and confused enemies. In Post-Crisis continuity, Harlequin seems to have a degree of agility and fighting skills, as well as being psychotic.
Duela Dent has appeared in Tiny Titans.
Duela Dent is the daughter of Jack "The Joker" Dent.