Activities: Sumo Demonstration

Otakon Vegas is very pleased to be working with USA Sumo to bring you this amazing experience!

Byamba v. Yama at the Sumo Sushi Show in 2016.
Otakon Vegas 2014
Otakon Vegas 2014
Otakon Matsuri 2014
Otakon Vegas 2014




Byambajav Ulambayar NAME Ryuichi Yamamoto
Ulan-Bator, Mongolia ORIGIN Saitama, Japan
6' 1" HEIGHT 6' 4"
370 lbs WEIGHT 600 lbs
* Heaviest Japanese human being in HISTORY!
31 AGE 32
4-time World Sumo Champion TITLES 2-time World Sumo Champion


USA Sumo will be presenting two live action Sumo Demonstrations at Otakon Vegas 2017! Each demonstration will include real matches between Byamba and Yama. You'll also learn about sumo history, rules, techniques and training methods. The audience will be able to ask questions and there may even be an opportunity for some "audience participation" for a select few...

Dates and times listed here are tentative and subject to change!

Please see the convention schedule when it is released closer to the event for exact times and locations.

Day Event
Friday Introduction & Welcome at Opening Ceremonies
Saturday Sumo Demonstration (Morning)
Sumo Demonstration (Afternoon))
Panel Discussion
Sunday Autograph / Photo Op Session
Our mascots, Ace and Crabby, face-off at Otakon Vegas 2014