What do I do about a stinky guy in my cl?

Ok so me and my friend are sittin here at school, and were in grade 8 there is this REALLY smelly guy named bryce he smells soo bad and he picks his boogers and plays around with them on his finger and we sit across from him! its discusting... hes fat and smelly and gross and honestly i think he has brain damage. so what can we do abot this stinky stinky boy? THANKS