He was born Atushi Moriyasu in Nōgata, Fukuoka, the same city that ōzeki Kaiō came from, and they went to the … 詳細

Ōga announced his intention to retire on 25 March 2007, after it was clear that a 5–10 record in the Osaka tournament would see him demoted to the makushita division. He commented, "I performed the yumitori ceremony today … 詳細

He married in 2006 and has a son. 詳細

Ōga liked a migi-yotsu (left hand outside, right hand inside) grip on his opponent's mawashi. He specialized in kuisagari, a tactic used by smaller wrestlers which involved pushing his head against the opponent's ches… 詳細

• Glossary of sumo terms
• List of past sumo wrestlers 詳細