Date of Birth: 
Place of Birth: Elhovo, Yambol Province, Bulgaria
About Aoiyama Kōsuke
- Aoiyama Kosuke (?? ??) (born June 19, 1986 as Daniel Ivanov, Bulgarian: ?????? ??????, in Elhovo, Bulgaria) is a professional sumo wrestler or rikishi.
- He made his debut in 2009, reaching the top division two years later, debuting in the November 2011 tournament.
- He has won three Fighting Spirit awards and one kinboshi for defeating a yokozuna.
- His highest rank has been sekiwake.
- He is one of the heaviest competitors in sumo, weighing around 200 kg for most tournaments.
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