2 More things 1. I wonder what Metal bottled water tastes like
2. You may think you're beating his face off, but no, your are going through several layers of masks, if you hit him like 200 times you get Peter Frampton or some other old pop star.
Good premise, but, if this was real metal, I'd throw Rob Halford's motorcycle at him. The impact would be so awesome that Justin Bieber would suddenly become a balck metal guitarist with some weird Swedish name like Tullog Rotor. 4/5