César Cuauhtémoc González Barrón was a Mexican luchador enmascarado and actor. He is known best as Silver King, but also had an extensive stint as Black Tiger III, the third incarnation of the Black Tiger character. He was the son of luchador Dr. Wagner and the brother of Dr. Wagner Jr. González worked for many years with El Texano as the tag team "Los Cowboys" winning tag team championships in both Mexico and Japan.