...Do you even have to ask?....Okay fine, I watch Game Grumps, PressHeartToContinue, Anything from Roosterteeth, Ray from achievement hunter's channel B1GnBr0wN, Cryaotic, Polaris, DidYouKnowGaming, Game Theory, JonTron, Egoraptor, Commander Holly and Markiplier. These are all the game related channels I watch, some other non-gaming related channels are TeamFourStar, TomSka, Nigahiga, DouchebagChocolate and Rocher Hotel.
Was that enough? My favourite though is pewdiepie Game Grumps