Matsu is a Super Smash Bros. Ultimate Robin main from England, considered one of the best Robin players in Europe, although she hasn't participated as much as she did in Smash 4. She has defeated Enki.
In Super Smash Bros. for Wii U, Matsu was also a Robin main and was considered the best in Europe. She has wins over players like her boyfriend Plastic Poptart, as well as Promaelia, Ho, Meru, Peli, DX17, and SilentDoom. She was formerly ranked 14th on the England Power Rankings.