The one you never thought you would see! On his MySpace blog Brian K Vaughan reveals startling details of his appearance in ACME NOVELTY LIBRARY:
Chris Ware is my favorite living cartoonist, so I was beyond thrilled to make a “guest appearance” playing myself (?) in ACME NOVELTY LIBRARY 18, which also happens to be one of the best comics of the last several years (in spite of my ugly mug showing up, not because of it).
How the hell did I make this happen? Not by using my awkward charm to befriend the otherworldly talented Mr. Ware, nor by impressing him with my vastly inferior writing. No, I did it the old-fashioned way… by shelling out large sums of cash.
Read the whole story in link.