One of the best jokes in Evil Con Carne is that General Skarr specifically dislikes Camden, New Jersey. Why, we never find out, but that's what makes the joke so funny in trying to figure just why that exact location.
I love how if I don't sleep enough, I'm tired. But then if I try to sleep more to correct it, I'm tired. And if I finally get just the right amount of sleep, I still have a sleep debt and I'm tired.