David Canovas Martinez is a popular Spanish YouTuber, Twitch streamer, owner of Team Heretics, professional esports player, and book writer, better known online as TheGrefg. His YouTube channel content consists of games in GTA V, Call of Duty, Counter-Strike, Minecraft, and Fortnite, where he even has his own skin! TheGrefg huge success began in 2012 when he published his first film. The YouTuber cursors for a mouse with David Canovas Martinez aka TheGrefg!