Kōtetsuyama Toyoya (高鉄山 豊也) (July 9, 1942 – April 14, 1996), born Kōnoshin Suga (菅 孝之進, Suga Kōnoshin), was a sumo wrestler from Otaru, Hokkaidō, Japan. His highest rank was sekiwake. After his retirement he became an elder of the Japan Sumo Association and the head coach of Onaruto stable.
Source: “Kōtetsuyama Toyoya”, English Wikipedia (CC BY-SA 4.0), excerpt
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