I've written enough books with real celebrities, such as Walter Payton and Hank Aaron and Billy Graham, to know that fame looks good only to people who don't have it.
It's about the characters, it's about the film, it's about the process of making stunning visuals and a huge, epic movie. It doesn't matter if my head was covered in a black plastic bag and I was bouncing around in a space hopper: That's the villain of Chris Nolan's 'Batman!'