Unfortunately, you are the child of the Joker and Harley Quinn When Batman took down the Joker and Harley Quinn, he was soon told that the Joker and Harley had a child, you. The police would put you in Arkham with your parents assuming you were the same. Batman felt bad and adopted you. When I returned to Wayne Manor there was a lot of debate about whether or not she should be there. Jason and Damian Jason Todd “She won't stay here! She's that clown's daughter! You know what he did to me