Indeed it was great injustice upon the gaming kingdom ('-'*) What I missed the most was his ability to resurrect the dead. But that would have been very difficult to pull off with the tech of the time.
Right, I forgot about the resurrecting since you only meet him alone (or almost alone) in Doom 3, maybe there were just a few spiders around but ofc you're aiming for the Arch Vile first, haha And you're welcome! \o
He just summons a one or two imps or whatever to gnaw at your neck for a bit. And it seems that if you don't kill him fast enough, he gets bored and leaves for tacos or something : P