Also: Didn't Doomguy lose to the chief in one of those ScrewAttack Deathbattles?
Yeah but it's complete nonsense. Chief's shield can't withstand a full BFG blast (to be fair, not much can). Even if it saved him from the direct impact (being generous here but it's reasonable enoough) he'd still get splattered by the tracer rays that follow immediately after.
Protoss is clearly the new alliance race for WoW. MY LIFE FOR AIURnforge -Ridleysbiggestfan