Mar Tuuk

Mar Tuuk is a separatist commander that died during the clone wars or died of old age due to he hid from the Galactic Empire. As a Demon General he is in charge of torturing the Sith Legions POWS including the infamous use of the electric shock collar which he uses to torture the prisoners with electicity. He died when the Autobots were freed from his make things screem in agony methods and was killed when the Autobot cars ran him over and over again.