- "I'm every nightmare you've ever had. I am your worst dream come true! I'm everything you ever were afraid of!"
- ― Pennywise/It, It
- Fear-Based Shapeshifting
- Fear Metamorphosis
The user can take on the form of others' worst fear and use it against them.
- Fear Amplification
- Death Inducement if the amplified fear is strong enough.
- Fear Form
- Fear Perception
- Bogeyman Physiology
- Fear Manipulation
- Omnifarious - due to all things fearing something.
- Phobia-Initiated Ability Manifestation - some fears may carry abilities.
- Won't work if the target has no fears.
- May revert to its true form if the target conquers their fear.
- Have to know the target's fear before the user can take its form.
- Toygi (A.R. Hicks' Dark Souls)
- The Monkey King (DC Comics)
- "The" Bogeyman (Discworld)
- Anarchist Phobia (Renegades)
- Agramon (City of Glass)
- Boggart (Harry Potter)
- Pennywise/It (It)
- Experiment 300 "Spooky" (Lilo and Stitch)
- Terrance Ward/Trauma (Marvel Comics)
- Agramon (The Mortal Instruments)
- SCP-959 - The Bogeyman (SCP Foundation)
- Aonan (The Seven Deadly Sins)
- The Clown (Star Trek Voyager)
- Immortal Enemy (Valiant Entertainment Comics)
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