Lovecraftian Horrors/Examples

Literature

 * Cthulhu (Cthulhu Mythos).
 * Shoggoth (Cthulhu Mythos).
 * Azathoth (Cthulhu Mythos).
 * Nyarlathotep (Cthulhu Mythos).
 * Pennywise (It).
 * The Nothing (The Neverending Story).
 * Hollows (Miss Peregrine's Home for Peculiar Children).
 * Ungoliant (Middle-earth series).

Films

 * Gozer (Ghostbusters).
 * Deadites (Evil Dead franchise).
 * Death (Final Destination franchise).
 * Labby (Where the Dead Go to Die).
 * Mister Babadook (The Babadook).
 * The Garden of Eyes (Kubo and the Two Strings).
 * The Demon (Rock & Rule).

Internet

 * Zalgo
 * Slender Man
 * The Rake
 * Smile Dog
 * Sonic.exe
 * SCP-058
 * Old Gods (SCP Foundation)

Comics

 * Dormammu (Marvel).
 * Shuma-Gorath (Marvel).
 * Ogdru Jahad (Hellboy)
 * Nekron (DC)
 * Starro (DC)
 * One Below All (Marvel)
 * Great Evil Beast (DC)
 * Chaos (Vampirella)

Television

 * Old Ones (Justice League).
 * Ichthultu (Justice League).
 * The Darkness (Supernatural).
 * The God of Darkness (RWBY).
 * Gunter (Adventure Time).
 * House (Doctor Who).
 * The Lich (Adventure Time).
 * Bill Cipher (Gravity Falls).
 * The Basement Demon (Are You Afraid of the Dark?).

Videogames

 * Flowey (Undertale).
 * God (Silent Hill).
 * Phantom (Silent Hill).
 * Gravemind (Halo franchise).
 * Dormin (Shadow of the Colossus).
 * Black Beast (BlazBlue).
 * The Queen of Hearts (American McGee's Alice).
 * Giygas (Mother/EarthBound franchise).
 * Lavos (Chrono Trigger).

Anime and Manga

 * Kyuubey (Puella Magi Madoka Magica).
 * Alucard (Hellsing franchise).
 * Chaos (Sailor Moon).
 * Truth (Fullmetal Alchemist franchise).

Music

 * Wonderland Dream ("Alice of Human Sacrifice").
 * The Thriller ("Thriller").

Theme Park Attractions

 * Tooth Fairy (Tooth Fairy).
 * Nebula Ghosts (Space Mountain: Ghost Galaxy).
 * Shiriki Utundu (Tower of Terror).