There's a horror/science-fiction short story about a programmer or scientist who programs all the angels from like the Old Testament or something. His reasoning is that it provides some kind of relatively compact microcosm to embed agents (i.e. his angels). I don't remember the end, and I can't find this story, but I always meant to read it again. Help?
Summary from here:
"Basileus" also places nuclear war in a religious context, describing a computer programmer for the Department of Defense named Cunningham who spends his spare time designing computer simulations of angels.