Shigaraki isn't used to not being able to command everyone due to being put in a position of power way too young, making it hard for him to socialize with peers. He's 17 and is very emotionally stunted, expressing his feelings through anger and violence. Though he's taking anger management classes for it. He tends to scratch at his skin when anxious. He is a hidden age regressor who has issues letting others help him with it. His age range is infant to 3. He often throws tantrums.