Aidan Gallagher (born September 18, 2003) is an American actor, best known for his role as Nicky Harper on the Nickelodeon series Nicky, Ricky, Dicky and Dawn (2014-2018).
7 years after his rampage, Arthur Fleck is still locked up in Arkham. However, the arrival of a new psychiatrist has given Arthur a way out. Seducing and warping the mind of Dr. Harleen Quinzel, Joker is back on the streets and with a new partner in crime.
