Crap, I meant to say "lava angel" rather than "laval angel".
As in, an actual giant angel made of actual flaming lava. Supposedly, it's a guardian sent by God to smite to all the unworthy animals and people who try to get onto the ark at the last minute. Sort of like a fiery reversal of the Ents storming Isengard in The Two Towers.

The rock monsters, on the other hand, are basically God's spies on Earth. It seems that Noah's version of the almighty isn't quite as omnipresent as his literary countrpart, so he has an army of eyes-and-ears who keep track of what's going on down here, and those eyes-and-ears just happen to be a rejected concept from Star Trek V.

The more I hear about it, the more I think I'll actually rent this film sometime. Could make a wonderful drinking game.