Yoshitsugu Matsuoka is a Japanese voice actor from Hokkaido affiliated with the talent agency I'm Enterprise. Honored at the 6th Seiyu Awards for Best New Actor in 2012 and the 10th Seiyu Awards for Best Lead Actor in 2016, he is best known for being the voice of Kirito from Sword Art Online, Inosuke Hashibira from Demon Slayer: Kimetsu no Yaiba, Fūtarō Uesugi in The Quintessential Quintuplets, Sora from No Game No Life, Sōma Yukihira in Food Wars!: Shokugeki no Soma, Hajime Aoyagi from Yowamushi Pedal, Petelgeuse Romanée-Conti from Re:Zero − Starting Life in Another World, Xiao from Genshin Impact, Mechamaru Ultimate from Jujutsu Kaisen, and as Vash the Stampede in the 2023 reboot of the Trigun series, Trigun Stampede As of June 17, 2019, he is the current official Guinness World Record holder for the most unique sound bites provided by a voice actor, exceeding 10,000 words in Is It Wrong to Try to Pick Up Girls in a Dungeon?: MEMORIA FREESE.

Kazuto Kirigaya , born as Kazuto Narusaka , is a fictional character and the protagonist of the Sword Art Online series of light novels written by Reki Kawahara. Known by a portmanteau of his name, Kirito (キリト) which is his user name in the Sword Art Online video game which the series are partially set in.