Jacksepticeye

Seán William McLoughlin born (February 7, 1990), better known by his YouTube username Jacksepticeye, is an Irish Internet personality and game commentator Athlone, Ireland. He is famous for his Let's Play series on video games. He also does vlogs. Jack's YouTube channel has 4.8 billion views in total and over 11 million subscribers as of July 2016 and he is possibly the fastest growing Youtuber right now.

History
Sean started his YouTube channel back in 2012 and has been blowing up since then. He also won in a shout-out competition made by PewDiePie in 2013 which gained him a massive follower base.