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).
An ordinary boy finds A Magic Amulet That Choice him to be a Trollhunters, a Guardian that Defends The World of the humans and the secret world of Trolls.
