The thing about owls is that they do sort of have this facial disc, which is unlike any other bird. They kind of have a face, more than like a dog or a giraffe. They have this weird, alien face that you can actually make expressive.

You know, it's a hugely difficult thing to take any work of art or drawing and say 'make that real.'

We've tried to make a Superman movie where he does stuff and you go, 'Yeah, if I was Superman, that's what I'd do.' Even though he's an alien, he's more relatable, more human.

Music has that ability to be a magical thing, and I was like, maybe music is the vehicle that transports us to that other world.

Origin stories are really important to me. I just like that sort of stuff and I feel like it makes a lot of sense to the guys, who they are. If you don't have that stuff, it's kind of a one dimensional version of it.

The thing about 'Dark Knight' is its objective is to set Batman into your world, so that you can imagine the moral dilemmas he faces are exactly parallel to moral dilemmas that you would face in this world, today, if you were out there fighting crime dressed like a bat.