The Danaher Death Squad is a group of elite Brazilian Jiu-Jitsu (BJJ) practitioners and competitors known for their innovative techniques and success in grappling competitions. Founded by coach John Danaher, the squad has produced several world-class athletes, including Gordon Ryan and Gary Tonon. They are particularly recognized for their expertise in leg locks and submission grappling. The squad trains at Renzo Gracie Academy in New York City and has gained a reputation for its rigorous training methods and strategic approach to competition. Their influence has extended beyond the mats, impacting the broader BJJ community and inspiring many practitioners worldwide.