He invented it and landed it in a gym, and coined it with the name dash bomb.
He tried it on sand in his bails video.
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..
At the age of 14, he was the first English free runner to land it on grass. He did it at the same spot where Daniel Ilabaca recorded the Kong Gainer video.
Ney tried it off the pavillion in Moreton, Liverpool. Joe Scandrett also done it at the same place in this video -Apex Media - A Day in Liverpool feat Street Velocity & Team Intensity http://www.youtube.com/watch?v=-UmSng29rGA. A video of Neys can be found here http://www.youtube.com/watch?v=MX96AwDAb1E&feature=channel_page