. . "No, TV Tropes. You are the demons. And Then John Was a Zombie is essentially a literal version of He Who Fights Monsters. It is a situation in which a character, frequently a protagonist, is turned into the very thing he or she has been fighting; a survivor of a Zombie Apocalypse may get bitten by a zombie, a demon hunter may be possessed, and so on. Examples of And Then John Was a Zombie include:"@en . . . . . "No, TV Tropes. You are the demons. And Then John Was a Zombie is essentially a literal version of He Who Fights Monsters. It is a situation in which a character, frequently a protagonist, is turned into the very thing he or she has been fighting; a survivor of a Zombie Apocalypse may get bitten by a zombie, a demon hunter may be possessed, and so on. A popular variation of this is for protagonists to have this thrust on them as an Emergency Transformation, and/or use (or attempt to use) Heroic Willpower to avoid the Face Heel Turn frequently associated with this trope and use the powers for the cause of good. Results may vary. Of course, it is also possible for this to happen to villainous characters, particularly Non-human villains, though it is certainly possible for this to happen to human villains, especially in stories where The Virus has strong presence, but is not the sole villainous force. Depending on the villain and the type of transformation in question, results can and often will vary even more than heroic characters suffering this. If poorly foreshadowed, this can very easily be a Shocking Swerve. Opposite of Tomato in the Mirror, in which case the main character was the monster all along. Also contrast Can't Stay Normal. Compare Doomed Protagonist, in which this was set up as an eventuality (or even a possibility) earlier in the story, The Virus, You Will Be Assimilated, and for variations in which the transformation doesn't force or suggest a Face Heel Turn on the victim's part, Viral Transformation. Examples of And Then John Was a Zombie include:"@en . . . . . . . "And Then John Was a Zombie"@en . . . . .