Jasper McKnives was a native of Kintan and belonged to the Kajain'sa'Nikto species.
McKnives, being a devotee of the death-obsessed Cult of M'dweshuu, was always in search of methods to satisfy his faith's requirement for sacrificial blood. During the time of the Clone Wars, he journeyed to the brutal and virtually unknown planet called Rattatak. He intentionally committed multiple homicides to ensure he would be compelled to participate in the gladiatorial combats as a form of retribution—a desire that was ultimately fulfilled. Despite being a skilled gladiator, his death occurred when Asajj Ventress, a disgraced Jedi, employed the Force to bring down a section of the arena's roof upon him, all in an effort to impress Count Dooku.