Notch is secretly Pope Urban VIII.
I know this because the world appears to be flat, and because the sun and the moon both revolve around it at precisely the same speed. This is why you only see the sun during the day and the moon only at night; as soon as one sets, the other rises exactly opposite it.
No doubt Steve represents a good Catholic soul trapped in an age of scientific heresy; the creepers and zombies represent the evil Evolutionists who seek to convert you. Endermen are demons, and the Ender Dragon represents Satan. No doubt skeletons represent secret unconfessed sin, coming back to haunt you.
Holy stuff guys it all makes sense