Mathieu Nguyen, also known as "Kirakira" is a fighting game player from Switzerland. He represents mYinsanity and mains Eliza in Tekken 7 and Terry in Super Smash Bros. Ultimate.
He has competed and won 1st place at Red Bull Double K.O. 3, 2nd at Logitech G Cup, 3rd at FDJ Masters League Season 2, 5th at Sonic Boom VI, 8th at Season 1 of WePlay Ultimate Fighting League Tekken 7,13th at Tekken Grand Battle 2018 & TEKKEN World Tour 2018 Online EU West, and 17th at Fighting Games Challenge 2018 & Ultimate Fighting Arena 2019.
At TEKKEN ONLINE CHALLENGE OPEN TOURNAMENT EU Southwest, he placed 5th in T7 singles with a 75% set win rate after being defeated in matches against Bode and Mitrust Storm.