Fan Casting Harley Quinn in Batfam TV Show

Late twenties/early thirties. Harley was a psychiatrist who got a job at Arkham Asylum immediately after graduating, becoming the Joker's victim/accomplice within the year. She is in a toxic relationship with the Joker, but is much more friendly to the Batfam than he is. At the end of the season, they break up for the final time. In later seasons, she will become good friends with Catwoman and eventually fall in love with Poison Ivy.