The Neighbor across the street

Trafalgar Law is a well known killer in the city he lives in, no one knows what he looks like though, they call him the surgeon of death because he always kills with something a doctor would use, a young man that is only 19, he is also a killer and still goes to high school, his name is Monkey D Luffy, no one also knows that he is a killer, people just call him Mugiwara because they have only ever seen the Strawhat on his back.