- "Restroom Demons" in Slavic Folklore
- Azoth
- Baba Yaga
- Beast (OTGW)
- Boss Leader
- Cabadath
- Der Großmann
- Enderman
- Faeries
- Freddy Krueger
- Glasgowman's Wrath
- Gollum
- Gurumuka
- Herobrine
- HideBehind
- Hollowgasts
- Jack Skellington
- Jason Voorhees
- Jeff the Killer
- Kabuki Twins
- Krampus
- Käthe Kollwitz
- Men in Black
- Mr. Bloom
- Mujina Sightings 1959
- Nee-chan
- Nergal (Grim Adventures of Billy and Mandy)
- Neverman
- Noppera-bō
- Nyarlathotep
- Omega
- Pied Piper
- Proper Category Listing and Etiquette
- Riffkin Girl
- Rouge
- Shadow People
- Silent Hill
- Slender Beings (The Slenderworld)
- Slender Bun
- Slender Man (ADHD Shorts)
- Slender Man (Adventure Quest Worlds)
- Slender Man (Battlefield 3)
- Slender Man (Big Mouth)
- Slender Man (Community)
- Slender Man (Haunted Garage)
- Slender Man (Horror Night)
- Slender Man (Kingdom Rush Vengence)
- Slender Man (Phasmophobia)
- Slender Man (Plants vs. Zombies: Garden Warfare)
- Slender Man (Runner 2 Future Legend of Rhythm Alien)
- Slender Man (Total Drama All-Stars)
- Slender Man (Watch Dogs)
- Slender Man Connection Wiki
- Slender Man in Mythology
- Slendycrow
- Spriggan
- Symbiote
- Table of Contents
- Tall Jake
- Terms of Service
- The Administrator (Our Darker Purpose)
- The Administrator (The Evil Within)
- The Beast
- The Bleeding Tree
- The Dogskull
- The Erlking
- The Fear Mythos
- The Fleshangel
- The Gentlemen
- The Mame
- The Pale Man (Pan's Labyrinth)
- The Question
- The Silence
- The Tall Man
- The Weeping Willow
- Thinman
- Ticci-Toby
- War Hammer Titan
- Z̼͆̓ͯ́̽ͯa͚̠̣̠̞̫̩ͭ̑ͨ̽̔l̰͇̥͖̩͇̞ͦͤgͣ̀̉͑̐͛͌o͖͕̽ͬ́̐̓ͭ
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