The Swedish Youtube star has long had the world's largest channel on the video platform, but was passed earlier this year by the Indian record and film company T-series.
Before that, the two had been fighting for the top spot for several months. With its 109 million followers, the T-series is still the largest.
In recent months, Pewdiepie has returned to playing Minecraft which has boosted the number of viewers again. He has promised to stream Minecraft for twelve hours as he has crossed the magic limit of 100 million subscribers.
Felix Kjellberg began his career on Youtube by playing and commenting on video and computer games. According to Forbes, he earned over SEK 150 million through his channel last year. Time Magazine has named him one of the world's most influential people on the Internet.