Every time a new nerd culture hit comes on the scene, there is Stan The Man cameoing all over your face.
There is a small corner of every mainstream comics convention where embittered Alanites rail about how cover versions of literary and fictional characters is a noble cause, and totally not like reusing and rehashing a trademark character to make money like how comics publishers keep doing and what they have been doing for years and it is about time they stopped. This conversation is usually held in the queue to get Dave Gibbons or David Lloyd to sign Watchmen #1 or V for Vendetta #1 or waiting for the "Women in Comics" panel. One of the Mooreian acolytes holds aloft a first edition paperback novelisation of "Tim Burton's Alice In Wonderland" signed by Melinda Gebbie. Two, or possibly three of those listening drool at the sight of this. And when I say drool I am not necessarily referring to an oral expression. The four-color permeated perspiration of pre-midlife pubescents oozes from the walls as condensation carries it from corpulent carrier bag clenching chaps (and occasional chapettes). A tannoy announces that Caroline Munro is signing photographs in the Hall of Fame and the "Women in Comics" room empties slightly.
Gaiman owns every single perky goth in the Western World. And he has a hot chick rock star for a bird.
He doesn't need a con.