PewDiePie

Felix Arvid Ulf Kjellberg (born 24 October 1989), better known as PewDiePie, is a Swedish YouTuber, best known for his gaming videos. Kjellberg's popularity on YouTube and extensive media coverage have made him one of the most noted online personalities and content creators. Media coverage of him has cited him as a figurehead for YouTube, especially in the gaming genre.

rivalry between PewDiePie and T-Series, owners of the most-subscribed YouTube channels

2010 YouTube video

2015 video game

2016 freemium simulation mobile game

book by Felix Kjellberg