Is it always sunny in Philadelphia? I'm not entirely sure. But what I do know is that I can't get enough of FX's addictively zany comedy It's Always Sunny in Philadelphia. I had the chance to catch up with Charlie Day, one of the three triple-threats (creator, star, and producer) on the surreal comedy, and asked him how much of Sunny is scripted, how he met co-stars/co-creators Rob McElhenney and Glenn Howerton, how much the original pilot of It's Always Sunny really cost, and just how one goes about making the disgusting (yet strangely appetizing) Grilled Charlie. So sit back, grab your favorite microbrew at Paddy's, and find out the answers to these and other burning questions. Q: I am wondering if you could speak about what the genesis was for It’s Always Sunny in Philadelphia and also about how much of it is scripted versus improv, because it has a very loose feel to it. It feels like a lot of it is ad-libbed. Charlie Day: Yes. I will speak to the second