I picture Goo in Louisiana. But Mardi Gras? Oh dear... No, no, a thousand times no. That would not go over well.

*shudders too* Ok, shuddering might be contagious at that thought.
Maybe the bayou? When I think of Louisiana, I personally think of the swamps and the grey moss hanging from all the trees. Or concerning food, maybe catfish, crawdads or jambalaya? Or a jazz or blues band? Or simply the Mississippi River? I'm sure you'll think of something perfectly acceptable.
