Katsuro is a Mii that appears in Wii Sports, Wii Sports Resort and Wii Party. His total skill level by the least amount of skill he can have in each sport is 3700. His total skill level by the most amount of skill he can have in each sport is 3775.
Katsuro has bight green eyes and an unsure face expression. His hair is a mix of brownish-blondish and his favorite color is black.
In Tennis, Katsuro has a very high skill level of 1800. There is a 1/2 chance that you can face him (instead of Maria) as Naoki's teammate. He also appears in Boxing as a weak opponent with only 320 - 333 skill level.
Wii Sports Resort
In Table Tennis, Katsuro has a below average skill level of usually 497 making him a rather easy opponent to beat. In Swordplay Duel you can face him with a skill level of 530 - 536, and in Basketball he has a skill level of 560 - 590 and his team usually consists of James/Patrick and always Naoki.
In Wii Party. Katsuro is a Master Mii.
- His skill level in Tilting Tightropes is ✪-1.
- Katsuro appears to be an opposite version of Naoki since his eyes and hear are different, his color is the opposite and, unlike him, he is bad or just average/below average at every sport except Tennis.
- Katsuro appears in quite a few Swordplay Showdown Stages, being in 12 out of 20.