There used to be a site called purgatorio.com and I'm trying to find its replacement. It mocked all religion, and its most loved icon was an upside down cow (sacred cow, get it).
I can't find its replacement yet, but I did find an article which resembles one of its sites, about how to tell if you're a Dispy (and I am, but not typical, click here)
So read on and enjoy the humor, click here.
Here's my addition, which I put in purgatorio, years ago:
You might be a Dispensationalist if when asked your age, you say:'Church'.