Katsuki Bakugo

(Deku Izuku Midoriya boy)Bakugou's sense of self-worth is built on his superiority to others due to being praised so much for his superior quirk as a kid. As a result, anything that could challenge that superiority is a threat to his entire identity, and so he responds to even minor provocation by getting absolutely pissed off. (so we all know how the sludge villain attacks Deku and tries to wear Deku's skin to get out of the city. I'm making this that the sludge succeeded to wear Deku's skin. You can chose what happens)and yes still in middle school