Younger brother of Twenty One Pilots lead vocalist and multi-instrumentalist Tyler Joseph. He's earned a Twitter following of more than 70,000 to his JayDrummerBoy account.
He grew up in Columbus, Ohio.
He played basketball in high school for Worthington Christian in Ohio.
Aside from Tyler, he has another brother named Zack and a sister named Madison.
His older brother Tyler performs alongside Josh Dun in Twenty One Pilots.