i believe it is Kyon Itsuki has a bang split with lighter hair, Kyon has his hair over his forhead with darker hair check out Itsuki 4koma to see what i mean.
Question: Why does Kenshiro need to use pressure points to make heads explode when he can destroy concrete walls and tanks with his bare strength? I can understand if he was a shrimp.
This is no doubt Kyon. Think about: why would Koizumi call it his show? Kyon is the only character who directly addresses the audience- he hear him thinking almost all the time. Think, guys, think.