Grayson and Ethan Dolan
Grayson was the first twin brother to become famous as his Snapchat account gained millions of followers. Grayson became more popular when he revealed that he had an identical twin brother named Ethan. The twin brothers ended up creating a Youtube channel together called the Dolan Twins and instantly became world-famous.
It is a good thing that Grayson joined together with his brother as the two have never been more popular and continue to see the money roll in due to their content and good looks.