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).
Undertale is an animated film based on an Role-playing videogame of the same name created by indie developer Toby Fox. The story revolves around a child who fell underground: a large isolated region under the Earth's surface, separated by a magical barrier. The player encounters several monsters during the journey back to the surface.
