We’ve all seen paintings of Jesus. He always looks pretty much the same—long hair that hangs to his shoulders, parted in the middle, with a neatly trimmed beard. He normally gets a bleached white flowing robe that reaches his ankles, although sometimes it’s blue and sometimes it’s red. Often, he also gets some sort of mantle or whatever that hangs over one shoulder or drapes over his head. There are a lot of minor variations, but there’s one basic theme. If you went to a costume shop and asked for a Jesus costume, you’d be pretty sure what you were …