Fred Fuchs (also known as "PhysicsFred"), who started uploading Minecraft videos to YouTube in 2009, and SkyDoesMinecraft, another well-known Minecraft YouTuber, both became well-known early on for their gaming content. PewDiePie (real name: Felix Kjellberg), who started uploading Let's Play videos (films in which the author plays and comments on a game) in 2010, is another early gaming YouTuber. Since then, he has become one of the most well-known and prosperous YouTubers.