If you suddenly witnessed a green dot in the dark, you know you're already dead in no miliseconds.
One rumor has it that he has killed 30 North Korean Juggernauts using nothing but small woodchips. A small, freaking woodchip!
He'll put forth hellish justice against all tyranny, even if it means to genocide the genocider.
Kinda reminded you of someone, eh?
PS: Of course, he's inspired by John Wick + Hei from Darker Than Black + V from V For Vendetta