Nathan Barnatt

Nathan Barnatt, also known as Keith Apicary, is a YouTuber, actor, and comedian.

Game Grumps
Nathan first appeared on the Game Grumps channel as a guest Table Flip, playing Poo with Barry, Suzy, Danny, Brian, Spazkid, Michele Morrow, and Oney. He appeared in the next episode of Table Flip as well, playing Grumptionary with Barry, Suzy, Arin, Spazkid, and Oney.

Nathan later appeared on Grumpcade, playing WWF WrestleMania: The Arcade Game with Arin.