Schultz was supposedly a depressive and moody guy, much like Lovecraft was, so therefore there needs to be a Call of Cthulhu campaign where the extradimensional sanity shredding monstrosity. The players would pick Peanuts characters to play who would then investigate The Great Pumpkin with tragic and obscene results.

I recall that comprised an episode of Robot Chicken.

simpsons did it.

/have no idea if they did.