You were the Son/Daughter of The Joker and harley quinn, Your father was an evil man he was also psychopathic, mass murdering, schizophrenic clown with zero empathy, Your mother was Bubbly, energetic, and charming but she loved you in your own way, One day The joker had been defeated by Batman and after searching his base they found you

Bruce/Batman: he found you Hiding in a dark corner