Kirishima Kazuhiro is a former sumo wrestler from Makizono, Kagoshima, Japan, who held the second highest rank of ōzeki from 1990 to 1992 and won one top division tournament championship, and was runner up in seven others. He retired in March 1996, and from December 1997 until April 2024 was the head coach of Michinoku stable under the elder name of Michinoku Oyakata.

Mitoizumi Masayuki is a former sumo wrestler from Mito, Ibaraki, Japan. His professional career spanned 22 years, from 1978 until 2000. The highest rank he reached was sekiwake. He won over 800 career bouts and took the yūshō or championship in the top makuuchi division in 1992. Mitoizumi was nicknamed the "Salt Shaker", due to his habit of throwing enormous quantities of purifying salt onto the ring (dohyō) during the pre-match preliminaries. He is now a coach, and is known as Nishikido Oyakata.