PewDiePie, whose real name is Felix Kjellberg, is a famous YouTuber known for his casual commentary on video games. He launched his first YouTube channel in 2006, but it didn't gain much attention. He started PewDiePie in 2010 while in college, but dropped out in 2011 to focus on his channel. With over 110 million subscribers, he is one of the most popular YouTubers worldwide, and everyone recognizes his name.