The Mandela Catalogue is an Analog Horror Web Series created by American Youtuber Alex Kister in 2021. It is set in the fictional Mandela County, Wisconsin that is invaded by demonic, otherworldly entities called "alternates" that physiologically torture their victims with the ultimate goal of assuming their identities as "dopplegangers." The series became popular online, in part due to reaction videos and story analyses of it by internet users and Youtubers. (this was copied off a wikipedia article)