https://en.wikipedia.org/wiki/Shikona
https://www.japantimes.co.jp/sports/2018/09/11/sumo/sumo-101-ring-names/#.XtMrXpNKjs0
https://www.japantimes.co.jp/sports/2020/05/27/sumo/yusei-nakanishi-gets-new-shikona-whats-ring-name/#.XtMtiJNKjs0
http://sumodb.sumogames.de/Rikishi.aspx?shikona=&heya=-1&shusshin=-1&b=-1&high=-1&hd=-1&entry=-1&intai=-1&sort=1
https://www.japantimes.co.jp/sports/2019/03/17/sumo/sumo-101-nicknames/#.XtMv-5NKjs0
https://www.nikkansports.com/battle/sumo/news/202005280000474.html
https://www.nikkansports.com/battle/sumo/
https://en.wikipedia.org/wiki/Hanakaze_Daisaku
https://en.wikipedia.org/wiki/Gy%C5%8Dji
https://www.japantimes.co.jp/sports/2020/05/27/sumo/yusei-nakanishi-gets-new-shikona-whats-ring-name/#.XtSQJ5NKhN0
https://www3.nhk.or.jp/nhkworld/en/tv/sumo/sumopedia/56/
https://www.reddit.com/r/Sumo/comments/7g0iwa/what_do_all_the_shikona_mean/
Sumo names explained: Kaisei, Endo, Daieisho, Myogiryu, Nishikigi, Shodai
Wrestler names explained: Aoiyama, Takarafuji, Asanoyama, Kotoshogiku, Sadanoumi, Ikioi
Wrestler names explained: Tochiozan, Ichinojo, Chiyotairyu, Onosho, Okinoumi, Abi
