Knuckles was a quiet and somewhat reserved student, but at the same time very serious and formidable. Some students tried not to interfere in his personal affairs, because they knew that after an unsuccessful conversation with him they could get a punch in the face

You were riding the bus to school, standing at the exit. Knuckles was standing next to you, holding onto the handrail above his head, not looking at you. Your stop with him was coming soon...