User blog comment:Mmpratt99 deviantart/Has Anyone Ever Did This Zombie Idea?/@comment-25073641-20160525174402/@comment-4893169-20160525230500

Yes, Cotard's syndrome or walking corpse syndrome. It's pretty bizarre and terrifying. I'm not referring to a zombie-esque apocalypse rather a single individual since it's more believable than a planet-wide pandemic.