Is this, like, would it go against my religion/ be offensive to anyone . . .?

Okay so I'm writing like a little spoof of Heaven. *I'm Christian* And I was wondering if it goes against it? Like is it "wrong" or whatever to do that? *Just wondering, 'cause it feels kind of weird* And would it be offensive or anything if my main character *Not very fond of most of the "celebs" up there* said snide remarks about them? Again just wondering, because I kinda want to put it up on a site, but not if it would offend people. *Like MJ fans and stuff* Thanks!