Left 4 Dead's Francis hates everything. Well, except for vests, apparently. But vans, stairs, water, small towns, and even Objectivist author Ayn Rand -- it's all fair game for Francis' ire.

GCITherewolf put together this absolutely brilliant and hilarious music video to commemorate Francis' hate of well ... everything. YouTube users GCIDogmeat and Using sound clips from Valve's popular zombie-killin' simulator, they've set it to a catchy, thumping number that you'll have in your head all day. You can thank me later.