Here you’ll find 23 Mythological creatures that start with F, organized from “Fachen” to “Fylgja”. Many entries are spirits, hybrids, and legendary animals from cultures worldwide, useful for writers, researchers, and educators.
Mythological creatures that start with F are non-human beings from folklore and legend, including monsters, spirits, and hybrid animals. They range from fearsome monsters like the Scottish “Fachen” to guardian spirits such as the Norse “Fylgja”.
Below you’ll find the table with Name, Origin, Description, and Famous stories.
Name: Shows the creature’s common name and any alternate spellings, so you can find or cite each entry quickly.
Origin: Lists the culture or region where each creature appears, helping you understand its historical and geographic roots.
Description: Gives a concise 20–40-word summary of traits and behavior, so you grasp each creature’s key features.
Famous stories: Names one or two myths, epics, or works where the creature appears, guiding further reading or references.
Mythological creatures that start with F
| Name | Origin | Type | Famous stories / Sources |
|---|---|---|---|
| Fairy | Celtic/European | spirit | Various folktales; Shakespeare’s A Midsummer Night’s Dream |
| Faun | Roman/Greek | hybrid | Ovid’s Metamorphoses; Roman rural cults |
| Fafnir | Norse | dragon/serpent | Völsunga saga; Poetic Edda |
| Fenrir | Norse | giant wolf | Poetic Edda; Prose Edda |
| Fomorian | Irish | giant/monster | Lebor Gabála Érenn; Early Irish sagas |
| Firebird | Slavic | legendary bird | Russian folktales; Slavic fairy tales |
| Fenghuang | Chinese | phoenix-like bird | Chinese classics; Huainanzi |
| Familiar spirit | European | spirit/companion | European witch trials; folk beliefs |
| Fox spirit | East Asian | shape-shifter | Chinese huli jing; Japanese kitsune; Korean kumiho tales |
| Fylgja | Norse | guardian spirit | Poetic Edda; Icelandic sagas |
| Fossegrim | Scandinavian | water spirit | Norwegian folktales; Swedish folklore |
| Fenodyree | Manx | household spirit | Manx folktales |
| Fachen | Scottish | monster | Scottish folklore |
| Fuath | Scottish/Irish | water spirit/monster | Scottish Gaelic folktales |
| Furfur | Medieval demonology | demon | Ars Goetia; Lesser Key of Solomon |
| Furcas | Medieval demonology | demon | Ars Goetia |
| Foras | Medieval demonology | demon | Ars Goetia; Pseudomonarchia Daemonum |
| Forneus | Medieval demonology | demon | Ars Goetia |
| Flauros | Medieval demonology | demon | Ars Goetia |
| Frost giant | Norse | giant | Poetic Edda; Prose Edda |
| Finfolk | Orkney/Scottish | sea-people/shapeshifter | Orkney folklore; Scottish folktales |
| Fetch | Irish/British | apparition/doppelgänger | Irish folklore; British folktales |
| Friar’s Lantern | English | will-o’-the-wisp | English folktales; West Country tales |
Descriptions
Fairy
Small-to-powerful nature spirits (fae, faerie). Tricksters, helpers, or dangerous guardians of the Otherworld; central to European folklore and fairy-tale motifs.
Faun
Half-human, half-goat woodland spirits (related to satyrs). Playful musicians and nature spirits, often linked to fertility and rustic rites.
Fafnir
Dwarf who became a treasure-guarding dragon (Fáfnir). Slain by Sigurd, symbol of greed and cursed gold.
Fenrir
Monstrous wolf (Fenrisúlfr) son of Loki. Destined to slay Odin at Ragnarök; emblematic of fate and chaos.
Fomorian
Hostile, often deformed sea-giants (Fomorians). Ancient opponents of the Tuatha Dé Danann; represent chaos and foreign threat.
Firebird
Brilliant, glowing bird (Zhar-Ptitsa). Steals or grants quests; its feather sparks adventure and magic.
Fenghuang
Regal Chinese phoenix (feng huang). Symbol of virtue, yin-yang harmony; appears in imperial and cosmological myth.
Familiar spirit
Supernatural companion (familiar) aiding witchcraft or magic. Often animals; portrayed as personal, sometimes dangerous spiritual helpers.
Fox spirit
Shapeshifting foxes (kitsune, huli jing, gumiho). Tricksters or lovers, often using illusion and transformation.
Fylgja
Personal guardian spirit (fylgja), often animal form. Linked to fate and omens; can appear before death.
Fossegrim
Water fiddler spirit (Fossegrimen). Teaches music in exchange for offerings; lives by waterfalls.
Fenodyree
Hairy, strong household sprite (Fenodyree/Fynnoderee). Helps farm work; sometimes proud and easily offended.
Fachen
Terrifying, asymmetrical monster (one arm, leg, eye). Rural warning figure and wonder-creature of Highland tales.
Fuath
Generic term for violent water spirits or demons (fuath). Haunt rivers, lakes; shape and behavior vary regionally.
Furfur
Goetic demon (Furfur). Appears as hart or winged deer; speaks with thunder and can incite storms.
Furcas
Goetic demon (Furcas/Forcas). Teaches philosophy, rhetoric, and languages; depicted as elderly horseman.
Foras
Goetic spirit (Foras/Forcas). Reveals hidden treasures, knowledge, and moral philosophy.
Forneus
Great Marquis demon (Forneus). Teaches rhetoric and languages; reputed to make men likeable.
Flauros
Goetic demon (Flauros/Hauras). Portrayed as a great duke; warns against falsehoods and reveals secrets.
Frost giant
Ice-associated jötnar (hrímþursar). Antagonists of the gods, embody cold, chaos, and elemental forces.
Finfolk
Seafaring, shapeshifting folk (Finfolk). Kidnap humans, use enchantment; part of Scottish island supernatural lore.
Fetch
Animal or human double (fetch). Seeing one’s fetch is an omen of illness or death.
Friar’s Lantern
Ghostly, wandering light (Friar’s Lantern). A spectral guide or trickster light, akin to will-o’-the-wisp.