The Unofficial Yost Clan Fan Site (YostClan.com) is an official, HBO-created site, set in the fictional world of John From Cincinnati.
The site originally went up with just pictures of Butchie Yost sticking out his tongue and Mitch Yost in his prime, but now it has their biographies, photo galleries, a bulletin board, and more if you solve puzzles to uncover its secrets.
- Yost Clan fansite
- HBO.com -- message board thread figuring out the "pipeline" puzzle
- Unfiction puzzle group -- working to solve some of the puzzles.