I'll admit it: I'm new to the charms of FX's seductively hilarious comedy It's Always Sunny in Philadelphia . I'm not sure how I managed to unknowingly avoid this smart, hip, subversive series, but I'm making up for lost time now in a major way. Sure, It's Always Sunny in Philadelphia has a certain, er, indescribable quality but that's why I've fallen head over heels in love with the damn thing. It's sort of the warped love child of the absurdity of Arrested Development , the random observations and quirkiness of Seinfeld , and the wackiness of 30 Rock , blended together with a cast of characters that might just very well be the most selfish and stunted on television. I can't get enough. Here's the quick skinny on Sunny : Charlie (Charlie Day), Mac (Rob McElhenney), Dennis (Glenn Howerton), Dee (Kaitlin Olson), and Frank (Danny DeVito) own Paddy's Pub, an Irish bar in the city of brotherly love, Philadelphia. A bar that seemingly no