This is based on opinion. Please don't list it on a work's trope example list.
Nightmare Fuel / Platypus Comix
Imagine being a comic book character like the ones in "True Believers", living under the beck and call of editors who can change your life to suit their twisted whims, without a care for your personal happiness. Peter Parker even tells Mary Jane◊ that he considers this scarier than anything the Rogues Gallery can pull.
From the Free Spirit comic "Junkyard Stories", the ending of the story about the bowl. Mr. Wu's boss, and some of his co-workers, electrocute themselves to death with a malfunctioning server. Mr. Wu proceeds to declare himself the new boss, which surprisingly doesn't prompt any of the surviving employees to ask what happened to their old one.
When asked in "My Ocarina in Time Walkthrough" what the Great Fairies from The Legend of Zelda: Ocarina of Time look like, Peter answers, "Like the mother-in-law of your nightmares." Later in the walkthrough, Peter admits a fear of the Wallmasters, who can appear unexpectedly and drag Link all the way back to the beginning of the temple.
The "Dark TV Vault" review of Free Spirit warns word-for-word that Franc Luz, the actor who played Thomas Harper, can cause this.
The "Concept Unification" process used to create the animatronic character bands at Chuck E. Cheese restaurants shortly after they merged with Showtime Pizza. The skins of the old Rock-Afire Explosion characters are removed piece by piece, slowly stripping each of the mechanical skeletons of their personalities, and replaced with completely new, completely different Chuck E. Cheese character skins. Not helped at all by the depressing muzak and deadpan monotone narrator, the fact that Chuck E. himself used to be two characters (Rolfe the ventriloquist wolf and his sentient Muppet Earl), and the fact that a dog character named Dook is turned into a creepy cartoon chef.