Moral Orel is part homage and part satire of Davey and Goliath, but also more than that. It's hilarious, disturbing, and poignant, all at once. Case in point, the "I'm a church" scene:
https://www.youtube.com/watch?v=AyNJ03l82sw
If you're an Aimee Mann fan, you might enjoy this Moral Orel mashup:
https://www.youtube.com/watch?v=OokJP_c2cCw