- In the comic adaptation, fluffyslipper's art of Flowey's smile and nightmare faces makes for some truly terrifying pages. It's even worse considering he's almost always smiling during these moments. Pages 5 & 6 are good examples of this.
- Flowey's complete change of demeanor when Papyrus heals him. He goes from being creepy to outright furious while yelling at him to attack.
- Flowey breaking Papyrus' arm.
Nightmare Fuel / Flowey is Not a Good Life Coach