The fighting style used by Street Fighter character Ryu, is described as a martial art rooted as an assassination art Ansatsuken. This fighting style is heavily based on striking-based martial arts such as KyoKushin Karate.
I seriously think V just does not know how to control his face. Not that it's a bad thing. The fanbase gets a good laugh but what's he gonna look like when he pulls these faces at XD (Favorite Meme God)