If we have a great idea, we'll go, 'Oh, this could be a cool movie.' Or really for us, it's more like, 'Oh, this is a really bad idea. Let's do this. This seems really stupid.'

No, writing musicals is the hardest thing in the world. And it was really funny, because I remember when the South Park movie came out, there were some critics that said, 'Well it's obvious that in order to get it to be 90 minutes they filled some time with music.'

Something is cool until everyone thinks it's cool.

I think people that have a brother or sister don't realize how lucky they are. Sure, they fight a lot, but to know that there's always somebody there, somebody that's family.

It's been a fascinating thing because we didn't really know how to write when we started South Park at all. It's been like, we've just sort of grown up a bit and it's amazing to just see how, if you take Butters and Cartman and put them in any scene, it works.

If we have a great idea, we'll go, 'Oh, this could be a cool movie.' Or really for us, it's more like, 'Oh, this is a really bad idea. Let's do this. This seems really stupid.'

I got into this little habit of architecture and building. I designed a house in Colorado and one in Hawaii. The idea is supposed to be build and sell - but then I can never bring myself to sell them.