#5. Nash Grier - @nashgrier - 10.2m Followers
Genre: Internet Personality
As with many of the other internet personalities in this list, Nash Grier came to fame making videos, in this case on Vine, beginning in 2013 when he was still a 15-year-old freshman at high school. For a while, he shared a house with fellow internet personality, Cameron Dallas.
Nash has released mobile games and social media apps including Cash Dash, Mobli, and Challenged. He his own website, where fans can buy his merchandise and an Aéropostale clothing line called "UnitedXXVI", which he partly designed.