God, circa 2000 BCE: Spoiled teenage nerd God, probably a bit autistic too, and not the good kind of that. Creates a universe just because he can. Has zero empathy or consideration for anyone else's opinions or feelings. Seriously doesn't 'get' girls, and doesn't get along with children. Is arrogant and strongly opinionated about everything. I mean, really, he has disproportionately strong opinions about even stuff like wearing mixed fibers, eating lobster or whether you can make a sculpture, and won't hesitate to give everyone rules about it. At the slightest questioning, disagreement or just things not going his way, he flies off the handle in a major way and will even want the perp killed, his town obliterated, and even their cattle killed, and their pre-teen daughters raped. Even the people he was calling his bestest buddies a couple of messages before, he wants them sold into slavery at the slightest disagreement. I'm sure we've all run into deranged fanboys like that on some board or another
God, circa 1 CE: mid-life crisis God. Bones a girl MUCH younger than himself, tries to pass for a much younger guy (Jesus), reinvents himself, changes his mind about everything, ditches his old best buddies for not being down with his new image.
God, circa 2000 CE: Alzheimer's God. Just about everyone who managed to talk to him and hear an answer, got something extremely crazy from him. All he ever does any more is stamp his face in other people's food... and at least in one dog's butt. Presumably right before the nurse drags him off to clean him and give him his medication.