f you haven't seen Jim Gaffigan, you're missing out on one of the funniest comedians out there today. A regular That 70s Show and Conan O'Brien and the creator of Pale Force, Gaffigan is one of those comedians that you don't know that name of but you'd recognize if you saw. I once saw him do an entire comedy routine about cake. Another time I saw him do a whole set about hot pockets. What food will he riff on next? Pie? Ice Cream? Potatoes? No, not potatoes. There's nothing funny about potatoes. He performs Friday at the Fillmore and you should go.