He invented it and landed it in a gym, and coined it with the name dash bomb.
He was the first to try it outside but barely made the rotation and landed on his back. 
Ronnie Shalvis was the first to land the dash bomb onto grass off of drop.
He is currently training to add a half twist to the flip. This move is known as Dash Barani and has not yet been landed onto a solid surface. He has however landed it onto crash mats..
Scott attempted a variation of this move from a static seated position. It has not yet been landed onto a sold surface. He has however landed it onto crash mats.