"Living Dead" refers to a genre of horror fiction that features reanimated corpses, often called zombies. These creatures typically arise from death due to various causes, such as a virus or supernatural events. The concept has been popularized in films, books, and video games, creating a cultural phenomenon around the idea of the undead. The term is also associated with the influential film series created by George A. Romero, starting with "Night of the Living Dead" in 1968. This film set the standard for modern zombie narratives, emphasizing themes of survival, societal collapse, and human nature in the face of a terrifying apocalypse.