Fan Casting Undead Child in Sort by Tropes

One of the squickiest things to come out of horror movies is the descending age bracket for The Undead. It used to be only adults could be/were made into undead, and while children were presumably killed off-screen during the Zombie Apocalypse, they weren't turned into the living dead. Well, now it seems these infants have found immortality of a decidedly unwholesome sort. Whether it's zombie babies, vampire children, or the unsettling ghost child, audiences will feel revulsion on several levels. Let's count!