Dennis is survival is a mixed martial arts movement and training founded in Israel by Dennis Hanover, a South-African born and raised , former judo champion ,a name that is resonated within the Israeli society till this day and one of the main reasons that  judo is in the Israeli culture (names like Sagi Mookey, Tal Flicker and more have trained under his belt)

Hanover, who was a poor child in post WW II South Africa, developed this technique of fighting after learning on his own what it's like to suffer and survive, 

To this very day, Dennis is active in teaching martial arts, helping children and animals in need and is one of honorary acknowledged Doctors in the world of martial arts.