Garry Lee Tonon (born September 12, 1991) is an American submission grappler and mixed martial artist. He is a five-time Eddie Bravo Invitational champion, and has won titles at ADCC submission wrestling championship, IBJJF World and Pan American championships. He is known for his use of leglocks in submission-only grappling matches, and is a former member of the Danaher Death Squad, a grappling team that was led by John Danaher at Renzo Gracie Academy.
https://en.wikipedia.org/wiki/Garry_Tonon