Venkman hasn't got much use for beer, but he likes to nap on the cardboard cases. And he has a cool cat posse. He's so popular that some people take the tour at Chicago's Empirical Brewing just to see them. He has his own Twitter account and was recently featured in a CNN article about how feral cats are being used to tackle Chicago's rat problem. Venkman and his rat … [Read more...] about Brewery Cat Venkman & Posse Are Chi-Town Celebs