Similes are a specific type of metaphor that use the words as or  like to make a comparison; a simple metaphor states that  something is something else.    For example,   Bob ran like the wind. This is a simile.
Born in Gothenburg, Sweden, PewDiePie originally pursued a degree in Industrial Economics and Technology Management at Chalmers University of Technology. In 2010, during his time at the university, he registered his PewDiePie YouTube account.
Holding the position since 22 December 2013, the channel has over 54 million subscribers as of March 2017. From 29 December 2014 to 14 February 2017, PewDiePie's channel held the distinction of being the most viewed of all time, and as of March 2017, the channel has received over 14 billion video views.