Bakugo, Shinso, Deku, Todoroki, Iida, Denki, Kirishima, Tokoyami and Aizawa now have cat features. (Cat ears, tail, canines and a cat's rough, sand tongue). They also act more clingy. Mineta, Ojiro, Satou, Aoyama, Shoji, Sero were off ill and didn't get affected by the cat quirk.
