Yokozunas - highest rank in sumo

http://en.wikipedia.org/wiki/Asash%C5%8Dry%C5%AB_Akinori
Asashōryū Akinori (朝青龍 明徳?, born September 27, 1980 as Dolgorsürengiin Dagvadorj, Mongolian: Долгорсүрэнгийн Дагвадорж) is a sumo wrestler (rikishi) from Ulan Bator, Mongolia. He is the 68th yokozuna in the history of the sport in Japan and became the first Mongolian to reach sumo's highest rank in January 2003. He is one of the most successful yokozuna ever,[1] and has won 24 top division tournament championships to date, equal third on the all-time list. In 2005 he became the first man to win all six official tournaments (honbasho) in a single year.

http://en.wikipedia.org/wiki/Hakuh%C5%8D_Sh%C5%8D
Hakuhō Shō (白鵬翔?, born March 11, 1985 as Mönkhbatyn Davaajargal, Mongolian: Мөнхбатын Даваажаргал) is a professional sumo wrestler (rikishi) from Ulan Bator, Mongolia. Making his debut in March 2001, he reached the top makuuchi division in May 2004. On May 30, 2007 at the age of 22 he became the second native of Mongolia, and the fourth non-Japanese overall, to be promoted to the highest rank in sumo, yokozuna. He has won eleven yusho or tournament championships to date, second only to his yokozuna rival (and fellow Mongolian) Asashōryū amongst active wrestlers.