Felix Arvid Ulf Kjellberg, also known as PewDiePie, PewDie and Pewds (born 24 October 1989), is a 24-year-old Swedish video game commentator popularized by his horror-themed and Let's Play videos on YouTube. He is currently the most subscribed channel on YouTube with over 25 million subscribers, or "bros,". He has surpassed Smosh as the most subscribed channel. He has made many collaboration videos with Smosh, such as appearing in several Smosh Games episodes, The End of Christmas (Part 2), the Smosh Babies episode Ian's Lost Love and appearing in vlogs by Anthony and Kalel. He lost the overall title, however still became the "Gaming King of the Web" for the 1–15 February 2012 voting period. During the following voting period, PewDiePie won and donated his cash winnings to the World Wildlife Fund. PewDiePie has also spoken at Nonick Conference 2013
PewDiePie created his YouTube channel in April 2009. In 2012 PewDiePie's channel began to grow, reaching 1 million subscribers on 11 July 2012, and 2 million subscribers in September 2012. In April 2013, PewDiePie's channel grew to 6 million subscribers, as reported by the New York Times. PewDiePie later won the award for Most Popular Social Show, competing against Jenna Marbles, Smosh and Toby Turner, as well as the Swedish Social Star Award, at the inaugural Starcount Social Stars Awards hosted in Singapore in May 2013. He had also introduced the nominees for Most Popular Game during the live broadcast of the awards show. In June 2013, the channel grew to 8 million, and subsequently 9 million subscribers. Throughout 2012 and 2013, PewDiePie's channel has been one of the fastest growing on YouTube. PewDiePie's playthrough of The Last of Us was documented for leaving the usually vocal gamer, speechless at the ending. In July 2013, he overtook Jenna Marbles as the second most subscribed YouTube channel, and surpassed the leading channel, Smosh, on 15 August 2013. By 31 December 2013, the channel reached 20 million subscribers. However, on the following day, PewDiePie was dethroned by YouTube's own channel at the top of the site's subscriber rankings. He has now reclaimed his title for the most subscribed Youtuber with over 25 million subscribers.
- Felix has been dating Italian YouTuber Marzia Bisognin (also known as CutiePie) since 2011.
- He moved to England, UK in July 2013 and currently resides in Brighton, East Sussex.