Sigma (シグマ) is an Ultimate Toon Link player from Japan, considered the best Toon Link player in the world. He is currently ranked 13th on the Experimental Smash Player Rankings and was ranked 23rd on the discontinued Japan Player Rankings, with high placements in Japanese tournaments and having set wins over ProtoBanham, Yoshidora, Akakikusu, Kome, Nietono, tk3, ZAKI, and HIKARU.
In SSB4, Sigma was also a Toon Link player and was considered as the best active Toon Link player in the world. Sigma is currently ranked 12th on the JAPAN Power Rankings and 72nd on the Panda Global Rankings 100. He has taken sets off of players in Smash 4 such as komorikiri, ESAM, HIKARU, Earth, Nietono, ikep, Taiheita, and Shogun.