What's the Inspiration Behind the Book Good Omens?

The original title of good omens, in its first draft was william the antichrist. And i thought, let's just have him grow up to be william brown. So we we changed william brown to adam young and that actually became more fun. ginger became pepper, and she's a girl, and they always needed a girl. The outlaws loved the william books. I always thought they were stories, worked, the good ones, on two different levels. She's skewering pretentious 19 twenties and thirties types. She's puncturing pomposity and occasionally using william and co to explore really rather big ideas.