Y Thu Knul , Mnong village mahout in Vietnam Born 1828 dead 1938 . Y Thu Knul captured and tamed 400-500 elephants, why he is called The elephant king in Vietnam. He gave a white elephant to the king of Siam and was given the title Khun Ju Nop (Khunjunob), meaning "elephant Hunting king". He also founded the village Buon Don in Daklak, Vietnam.