Jonah Hex is a reasonably obscure DC comics character. I never followed him all that much, being more of a Marvel guy myself, but I do have a couple of issues lying around somewhere.
When I was growing up, Jonah Hex looked something like this:
And now, it looks like Jonah Hex looks like this (hat tip, Moviegab):
Wow. Must have missed that issue, or I'd likely still be collecting comics today.