Born on October 24, 1989 as Felix Arvid Ulf Kjellberg in Gothenburg, Sweden and living in Brighton, England, UK, PewDiePie joined YouTube on April 29, 2010. Felix Arvid Ulf Kjellberg originally pursued a degree in industrial economics and technology management at Chalmers University of Technology and while he was studying, he created his YouTube channel under the name PewDiePie. He dropped out of college after finding it boring and decided to focus on creating YouTube content. To fund his videos, he sold prints of his Photoshop art projects and working at a hot dog stand. PewDiePie soon gathered a rapidly increasing online following, and in July 2012, his channel surpassed one million subscribers.

PewDiePie has been alleged of anti-Semitism (hostile to or prejudiced against Jews) in several of his videos. He focuses on video games commentary & comedy videos filled with profanity yet he makes them very interesting. About the name PewDiePie, he explains that "pew" represents the sound of lasers and "die" means death. After forgetting the password to this account, he then registered the "PewDiePie".

PewDiePie has been alleged of anti-Semitism (hostile to or prejudiced against Jews) in several of his videos. He focuses on comedy videos filled with profanity yet he makes them very interesting. About the name PewDiePie, he explains that "pew" represents the sound of lasers and "die" means death. After forgetting the password to this account, he then registered the "PewDiePie".

In December 2016, Forbes named PewDiePie as the highest-earning YouTuber with his annual income reaching $15 million.