Maybe Metal Gear Solid? The fandom itself isn't that drama-prone if you stick to the LJ-ficcish side and not game messageboards, but it is full of manly soldiers, tragedy, and ridiculousness and would lend itself to writing more angst-filled epics if he so chose. If he's on the bishie side he could dress up as Raiden, although he'd need a wig or some hair dye.