The theory of universal comic punch lines

In my blog posts labeled "somewhat inappropriate," this has to be in the top 5, but I still thought it was funny. Robert Sinclair, a SF-based art director and communication designer, writes,

It was recently theorized that all New Yorker cartoons could be captioned with “Christ, what an asshole” without compromising their comedic value. 

I discovered this is true of virtually all comics, old and new:

et voila --

I will never see Family Circus the same way again.