Nightmare Fuel / Heck: Where the Bad Kids Go

• A lot of the demons can come across as this.
• Some of the tortures that Milton finds in Hell.
• The Grabbit has hints of this- Marlo is at first so entranced by it that she doesn't even notice she's walking through barbed wire to get to it. Then there's the fact that it's an Omnicidal Maniac.
• The Pangs, especially after Milton makes a suit out of one to break into Blimpo. It slowly starts eating him as he wears it.