I may be about 10 months late on this, but have you checked out GodTube? Oh, man. So much potential for good, but CHOCK FULL of stuff that just about anyone could parody. Check out:
The Banana vs. The Athiest
I laughed OUT LOUD at this one:
Christian Clown Training
Check out this kid's potential:
Future Preacher Boy
We'll see where all this goes. Have fun.