I have a Japanese roommate. He has an amazing grasp of English, despite only having been here for a little less than a year. He has a pretty thick accent, but that's not the problem. The problem is that he is an insufferable bastard who does nothing but lock himself in his room being a drat otaku and watching anime/idol PVs when he's not bugging me about all the noise I make, which is such a lie since I'm only in our flat for about 2 hours a day (not counting my sleeping hours), in which I either study or surf the net with my headphones on. I'm practically quiet as a mouse. He, on the other hand, is watching LUCKY☆STAR or whatever at full blast. EVERY. SINGLE. DAY.

Of course, I confront him about this, and all he does is give me the most threatening of death-stares I have ever seen. As the time passes, I notice a couple of my CDs that I never even play are covered in what are obviously knife slashes on the underside. I let this pass until my imported copy of Tales of Vesperia (PS3) was vandalized not too long ago.

I was going to confront him about this until I noticed 死になさい was etched into the Bluray disc about 50 times. Σ(゜д゜;)

So, my question is: How does one deal a possible murderous, foreign roommate?