I don't have Q3A, but is that boss that stupid looking monk guy. Boooo! At least Xan is a cyborg, or a dude in a power suit like IronMan. A monk, oh I'm scared. Go make some wine ya monk ya. My favorite fps boss is the Doom Cyberdemon. Stomp, stomp, stomp you hear him coming.
"Damn, I don't have enough ammo yet. I hope he doesn't rain 30 million rockets down on me."