There is a very specific, unique brand of rivalry that exists between twins. You're always wondering who the Alpha twin is.

In terms of creative engagement, I just love being able to produce, produce, produce. You don't always get it perfect, but it has much more of an improvisational element, and you learn.

When you're doing an animated series, you tend to pitch storyboards. You write a script and then you draw a comic version of that script and put it up on big boards, and then you pitch it to a big room of executives and writers.

There is a very specific, unique brand of rivalry that exists between twins. You're always wondering who the Alpha twin is.

I feel like the best kids shows aren't just for kids. The best kids shows have something in it for everyone. As you grow up, you're increasingly proud to be a fan of the show, rather than getting to an age where you suddenly become embarrassed that you ever liked it because it's only for seven-year-olds.

Gravity Falls has transformed the children of America into an army of Dippers. I couldn't be more proud!

I think twins can sometimes be shoved into the same mold and they can start to feel like they're not being given a chance to develop their own identities.