Date of Birth: 
About Ōnokuni Yasushi
- Onokuni Yasushi (??? ?, born October 9, 1962, as Yasushi Aoki (?? ?)) is a former sumo wrestler from Hokkaido, Japan.
- Making his professional debut in 1978, he reached the top division in 1983.
- In 1987 he won his first yusho or tournament championship with a perfect score and became the sport's 62nd yokozuna.
- However, he was able to win only one more championship before his retirement in 1991.
- He has remained in sumo as a coach and in 1999 became the head of Shibatayama stable.
- He was elected to the Japan Sumo Association's board of directors in 2018.
- His peak weight was 210 kg (463 lbs) in May 1989.
Read more at Wikipedia