Greetings, mischievous mortals! John and I are finally well-rested and back to our Haunted Mansion Halloween builds with high spirits. (If you missed our ghostly ballroom dancers, click here!) Today I'll walk you through our build of those beloved cling-ons, the Hitchhiking Ghosts. My favorite reference art of these three is by Doodleman Dan, an indie artist I've featured here before and know from local cons. Unfortunately his art has been stolen and sold by Etsy scammers, so I contacted Dan…