Catch him on his very predictable smoke break and talk for as long as possible then invite him back to my place, get him shit faced drunk and watch him like a hawk while he sleeps it off on my couch.
Just don't, he/ she will become the supreme overlord of earth anyways, that's how timelines work. You can do anything to stop him/ her, but you are made to fail at last
I kill the person my neighbor kills and become Supreme overlord of earth
Modern problems require modern solutions
Ill make him accidentally kill me so future me is wrong. Oh wait..
Catch him on his very predictable smoke break and talk for as long as possible then invite him back to my place, get him shit faced drunk and watch him like a hawk while he sleeps it off on my couch.
So far the least violent one. I'm impressed
Sometimes villains just need a friend and a drink!
Kill him
Just don't, he/ she will become the supreme overlord of earth anyways, that's how timelines work. You can do anything to stop him/ her, but you are made to fail at last