"I just think what he does is really brave. He really loves these characters as well, and it makes it unique that we're able to do this. We could literally kill Rick at some point. I'm not going to say we are, but why not kill him? There's no reason. The Walking Dead could easily survive without Rick, and I personally think it would be incredibly interesting. We could do it in some random issue where the reader isn't expecting it, not like issue #150 or some anniversary issue. I think it would be very cool."
-- The Walking Dead artist Charlie Adlard, talking with Comic Book Resources about writer Robert Kirkman's penchant for shocking readers in the popular horror comic