KEN is an SSBU Sonic main from Tokyo, Japan. He is considered one of the two best Sonic players in the world along with Wrath, and has wins over players such as MkLeo, Zackray, Tea, Shuton, T, Raito, Kuro, ProtoBanham, Lea, and Cosmos, along with tournament wins at Midwest Mayhem Ultimate and Sumabato SP 6, and 3rd at Umebura SP 3. KEN is currently ranked 16th at Fall 2019 PGRU and 3rd on the Japan Player Rankings.
In Smash 4, KEN was also a Sonic player, and was considered the best Sonic player in the world and one of the best Smash 4 players in the world overrall. KEN is currently ranked 2nd on the JAPAN Power Rankings and 9th on the Panda Global Rankings 100. He has taken sets off of top players such as Nairo, MkLeo, Dabuz, Ally, Tweek, Larry Lurr, Mr.R, VoiD, komorikiri, Abadango, and has gone to game 5 with ZeRo on many occasions.
On October 14th, 2020, KEN announced that he was signed by SBI e-Sports as their first Super Smash Bros. player.