What I find funny is adding snark to things. Cynicism, snark, pissiness, sarcasm, etc.
An example would be, for me: I would have loved to have seen God say "Fuck em" in the last box. Or "No, I just farted" or silly shit like that.
Stuff that's just completely "wrong" works for me, too. Masturbation to aborted fetuses, nuns moonlighting as stripper ninjas, Sarah Palin brand inflatable sheep (if someone can explain this one to me in comic form I'll die shitting my pants -- with glee, mind you)
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...and if you liked that one, here's a link to my other stupid shit.