PewDiePie:

Felix Arvid Ulf Kjellberg , a Swedish video game commentator on YouTube is known with a online name PewDiePie. Since August 2013, PewDiePie’s channel has been the most subscribed channel on YouTube and in 2014 the subscribers have grown from 3.5 million to 18 million.

His videos feature gameplay with a small inset of him playing those games. Fans keep tuning for his reaction and comments. The channel has reached over 29 million subscribers, as of July 2014.

He created his YouTube channel on April 29, 2010 and soon on 11 July 2012 his channel gained 1 million subscribers followed by 2 million in September 2012.

PewDiePie later won the award for Most Popular Social Show and the Swedish Social Star Award, in Singapore in 2013.

His estimated annual income from the videos is estimated at a range of $2.2 million and $18 million.

TheFineBros:

Benny and Rafi Fine known as The Fine Brothers are popular for React video series. They are online producers, writers, and directors and their video series include Kids React, Teens React, Elders React, and YouTubers React.

They started a company in 2003 named Fine Brothers Entertainment - a full service production company of digital series, television shows, and feature films and uploaded their first web video in 2004.

TheFineBros is their main channel that has over 1 billion video views as of August 2013, and TheFineBros2 is the secondary channel with more than 1 billion video views in 2014. Currently they have 8.2 million subscribers, with over 1.6 billion video views.

Their estimated annual income is between $849,000 and $7.1 million.

On their 'React' video series they raised the awareness of some of the kids and Hollywood talent agencies have called those children in for auditions.

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