Delia Quinzel is the sister of Harley Quinn, the sister-in-law of The Joker, and the adoptive mother (aunt) of Lucy.


When Harley got pregnant with The Joker's child, Harley gave her daughter to her sister so she could raise her.

Harley frequently called her to learn how good is Lucy. Delia got worried when Lucy got kidnapped by Ra's al Ghul but later Harley brought her back.


  • She is an original character from the injustice comics.
  • She shares a first name with Harley and the Joker’s granddaughter, Delia “Dee Dee” Dennis, from the film Batman Beyond: Return of the Joker.


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