Oginishiki Yasutoshi (born 8 July 1971 as Yasutoshi Koiwai) is a former sumo wrestler from Ichikawa, Chiba Prefecture, Japan. His highest rank was komusubi. His father and brother were also sumo wrestlers. He is now a coach at Dewanoumi stable.
Source: “Oginishiki Yasutoshi”, English Wikipedia (CC BY-SA 4.0), excerpt