"Felix Arvid Ulf Kjellberg" a.k.a "PewDiePie" was a Swedish student started his career as a YouTuber in 2010 and dropped University due to his popularity on YouTube.

In 5 Years he is the highest earner on YouTube with Annual earning of $12 Million (In Urdu more than 1 Arab 20 Crore Pakistani Rupees) and 41.2 Million (In Urdu or Hindi 4 Crore 12 lac) Subscribers in 2015, whereas Forbes' 10 Channels only earn from YouTube $2.5 Million Annually.

Picture Source : Google