octopoid_horror emailed me that, and I laughed enough that my cold-inflamed throat turned into burbling sounds. Which got me a concerned question from Julie in the next room.
If you don't get it, then you haven't read Watchmen. Which is ok, as nowadays Alan Moore doesn't want you to.
(Me, I'm looking forward to seeing what the reviews are like for the prequels, and the wailing and gnashing of teeth as various bits of comics fandom tear themselves apart.)
Original post on Dreamwidth - there are comments there.