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).
The Joker is back with a vengeance, and Gotham's newest Dark Knight needs answers as he stands alone to face Gotham's most infamous Clown Prince of Crime.
