Ulambayar Byambajav, known professionally as Byamba, was a Mongolian sumo wrestler and entertainer. He began his professional career in Japan in 2001 under the name Daishōchi Kenta; tiring of the lifestyle, he retired from professional sumo wrestling in 2005. As an amateur, he won the Sumo World Championships twice in 2006 and 2007 and was a gold medalist at the 2009 World Games and 2013 World Combat Games. He also appeared on the comedy show Impractical Jokers. He died after a protracted illness in a Los Angeles hospital in February 2020.