I think Harley Quinn is my second favorite DLC character I like her more fast-paced combat but I don't care for the quips.
https://www.backloggd.com/u/This_IS_Also_Bll/list/arkham-dlc-ranked/
https://www.backloggd.com/u/This_IS_Also_Bll/list/arkham-dlc-ranked/