Father of Ultra (ウルトラの父 Urutora no Chichi) is the Commander of the Space Garrison. He first appeared in the 27th episode of Ultraman Ace. He is the husband of Mother of Ultra, the father of Ultraman Taro and Ultraman Ace (by adoption). His real name is Ken (ケン), as revealed by Mother of Ultra in Mega Monster Battle: Ultra Galaxy Legends The Movie. He is considered one of the strongest Ultras in the Land of Light.