The thing with Superman is that he's completely emotionally open to the reader. Meaning what he tells you is what he's feeling; there's a transparency there. And what he tells other characters is usually as transparent as can be. What he says he believes in. So there's an honesty that is both really inspiring writing the character. One thing I love about Clark Kent is that there is a badassery that you don't see a lot. Even as Superman, he's always kind of restraining himself. When you challenge him, I think there's nobody that has a stronger spine than Superman.

If I know what something's about, and I can always have that touchstone, I feel like I can reach for really ridiculous humor and also go really dark in terms of the things I'm afraid of.

One of the things that's great is that Batman is a character that lends himself to very personal stories.

There's nothing comparative to Damien [the current Robin] or any of the other characters. I love those characters. And this isn't, "This is better than that." I think a couple of people misread what we had said in the first issue about that stuff.

I spoke to Geoff Johns a lot. We went back and forth, and found a way to bring up the best qualities in his personality and psychology and also fill a niche in Gotham that we've never seen. It became about is there a way to really plant this hero in Gotham and say this is someone you haven't seen before - both in terms of who they are as a person and who they are as a hero.

Duke is a character who believes that heroism and the Robin mantle can exist entirely separate from Batman himself.

I got fascinated by the idea that our universe itself is comprised mostly of dark matter and dark energy. Things that we can't perceive at all, and we've only discovered that relatively recently. So it's almost as if our universe is the foam on the ocean of things that we can't see, or know, or perceive, and yet we feel the affects of those things right and left.