You've probably never heard of one particular goofy teen, but he has more followers than Justin Bieber or Miley Cyrus on Vine.

Vine, the popular app allows users to share videos that are just six seconds long, but 15-year-old Nash Grier from North Carolina makes his six seconds count. He's earned 1.5 followers in just six months, making him the 23rd most-followed person in the world on Vine. So what's his secret?

He told INSIDE EDITION, “Be creative, be an original. That is the biggest thing I would say.”

It's also his ability to capture kids just being kids. There's also his 4-year-old sister, Skylynn, whose front and center in many of the videos.

INSIDE EDITION’s Megan Alexander said, “Nash, I see your secret weapon, it's your sister, she's adorable!”

She keeps her newly famous big brother real.