365 documented Celtic supernatural beings from the Evil Eye grimoire, including 189 lesser and 71 greater in power tier.
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Conan Meriadoc is a legendary ancestral founder and early medieval royal leader credited in Welsh and Breton tradition with founding Brittany (Llydaw). Presented in medieval literary and genealogical sources as a historicized king or prince associated with Magnus Maximus/Macsen Wledig, he functions primarily as a dynastic progenitor and a figure in brittonic prophetic expectation rather than as a supernatural spirit.
Conand is attested in the provided sources only as a named leader of the Fomorians in Irish mythology. Beyond this single index-level attestation, no descriptive, narrative, ritual, linguistic, or ethnographic details about Conand appear in the supplied materials.
Conchobar mac Nessa is the legendary king of Ulster in the Irish Ulster Cycle, ruling from Emain Macha (Navan Fort). Presented in medieval saga material as a central dynastic and martial ruler, his decisions drive key episodes such as the Deirdre narrative and actions surrounding the Táin Bó Cúailnge.
Condatis is a local Celtic deity attested in Roman Britain, known from a small group of Latin votive inscriptions in which he is consistently identified with the Roman god Mars (inscriptions read 'Mars Condatis'). The name derives from the Celtic word condate, 'confluence', and the deity is associated with river‑junctions and related sacred geography; some scholars have proposed a link with healing waters, but direct ritual details are not preserved.
A legendary martial antagonist from the Ulster Cycle whose defining trait is a horn-like, weapon-resistant skin. He appears in death-tale narratives as an avenger who ravages Ulster until killed by a stratagem that combines sleep-magic and heated spits driven into his soles and shins.
Conn Cétchathach is a legendary High King of Ireland in medieval Irish literature, presented as a quasi-historical warrior-king and dynastic ancestor whose reign and visionary encounters at Tara legitimize kingship and connect the ruling order to the otherworld.
Connla (also Conlaoch) is a human heroic figure of the Irish Ulster Cycle, presented as the son of Cú Chulainn and Aífe. Raised in Scotland and trained in martial arts, he comes to Ulster under three geasa, refuses to reveal his name, and is mortally wounded by Cú Chulainn with the gae bolga in the tale Aided Óenfhir Aífe.
Conomor is a mid-6th-century Breton/Cornish ruler who in historical sources appears as a violent, ambitious political actor and in later Breton hagiography and folklore becomes a stock villain—an excommunicated count/king accused of murdering rivals, wives and children and opposed by saints such as Samson and Gildas.
A legendary race described in medieval Welsh sources (notably the tale Lludd and Llefelys) as a plague/oppressive people in Britain whose defining trait is extraordinarily acute hearing. They are overcome in the tale by a biological concoction advised by Llefelys and by tactics that muffle speech.
Cormac Cond Longas is a human aristocratic warrior-prince in the Ulster Cycle of Irish mythology. He is known as an exiled son of Conchobar mac Nessa, fostered by Fergus mac Róich, who fights in the Táin Bó Cuailnge and is later asked to become king of Ulster before dying after breaking his geasa.
Cormac mac Airt is a legendary High King of Ireland in medieval Irish annals and saga tradition, presented as an archetypal wise and just monarch, lawgiver, and patron of Tara. He functions as a focal character for gnomic literature (notably Tecosca Cormaic) and as a didactic exemplar of ideal kingship in Irish literary-historical cycles.
Cormoran is a giant of Cornish folklore associated with St. Michael's Mount. In local tales he is credited etiologically with building the Mount and blamed for raiding cattle and people; he appears in chapbook versions of 'Jack the Giant Killer' and regional Cornish narratives such as the Tom the Tinkeard cycle.
In Cornish mythology, a collection of supernatural entities are found in folk traditions developed in Cornwall and other Celtic-speaking regions. These entities share characteristics with gods, goddesses, spirits, and lesser supernatural beings from Welsh and Breton mythologies. (Note: 1. Summary: The summary should mention that Cornish mythological entities are not a distinct category, but rather are similar to gods, goddesses, spirits, and lesser supernatural beings from other Cel)
Creiddylad is a named figure from early medieval Welsh narrative tradition, presented in Culhwch ac Olwen as a noblewoman of Arthur's court and daughter of King Lludd (Lludd Llaw Ereint). In the surviving tale she is the object of rivalry between two warriors whose annual May Day combat for her possession has been interpreted by later writers as a seasonal or 'May Queen' motif.
Creidhne (Old Irish Credne) is the goldsmith and artisan of the Tuatha Dé Danann in Irish mythology, a member of the Trí Dée Dána who forged weapons and metal-works for the supernatural people and is credited with helping to fashion King Nuada's silver hand.
Crimthann Nia Náir is a legendary High King of Ireland from medieval Irish regnal tradition. His story links dynastic genealogy with the otherworld: he voyages with his fairy aunt Nár, returns with supernatural treasures, and dies soon after by falling from his horse at Howth. Sources place him variously in a chronology synchronized with Roman history.
Crom Cruach is a pre-Christian cult figure in medieval Irish sources, presented as a central idol venerated on Magh Slécht and described in Christian-era narratives as surrounded by twelve subsidiary figures and associated with propitiatory offerings for agricultural bounty; hagiographies recount Saint Patrick destroying the image and casting out a demon said to inhabit it.
Crom Dubh is a fluid mythological and folkloric figure from Irish tradition, variously represented as a remnant cultic god, a pagan chieftain or robber, a servant-figure, and the focal figure of seasonal first-fruits rites (Crom Dubh Sunday). In later narratives he is frequently framed as an antagonist subdued or reinterpreted by St. Patrick.
Cromm Cruac is a reworking of the Irish figure Crom Cruach used in the British television series Robin of Sherwood as a named pagan locus of power. Historically attested in Christian sources as a pre‑Christian Irish deity whose worship Christian writers claim involved offerings, the television series presents 'Cromm Cruac' (episode title, 17 May 1986) as a place — associated in the episode with a lake — whose powers can be invoked in the drama.
Cruel Coppinger is a semi-legendary Cornish figure—remembered as a foreign, fearsome smuggler/wrecker whose biographical fragments were elaborated into a dramatic folk narrative. Collected in 19th-century sources (notably Rev. R. S. Hawker's account published in All the Year Round) the tale blends probable historical persons (members of the Coppinger family) with folklore motifs of seizure, wrecking, illicit wealth, and a mysterious maritime disappearance.
Cruinniuc is a mortal figure in the Ulster Cycle of Irish mythology, described as a wealthy widower and cattle-owner of Ulster whose boast at a festival precipitates the events in which his pregnant wife, later revealed as Macha, is forced to race the king's chariot, gives birth to twins at the finish, and curses the men of Ulster.
Culhwch is a mortal heroic figure of medieval Welsh narrative tradition, protagonist of the tale Culhwch and Olwen. A noble-born youth and cousin of Arthur, his story centres on a quest to win Olwen by completing a series of impossible tasks (anoethau) with the aid of Arthur and his warriors.
Cunomaglus is a Celtic epithet applied to the Greco‑Roman god Apollo at a Romano‑British sanctuary in Nettleton Shrub, Wiltshire. The name, translated as 'Hound Lord', appears on a votive inscription and marks a localized aspect of Apollo associated in the sources with hunting and possibly healing.
A Welsh spirit whose groaning, sighing wail presages the death of a family member — heard but never seen, specifically associated with the families of Welsh descent.
Cyledr Wyllt (Cyledr the Wild) is a human warrior figure from the early Welsh Arthurian tale Culhwch and Olwen who goes mad after being forced to eat his father's heart by the captor Gwyn ap Nudd. Though madness marks him as 'Wyllt,' he remains capable as a warrior and later helps Arthur recover a pair of shears from the monstrous boar Twrch Trwyth.
A giantess from the Second Branch of the Mabinogi who lived under a lake in Ireland, gave birth to a fully formed and armed warrior every six weeks, and with her husband kept the Cauldron of Regeneration used to restore the dead (who returned mute). They appear as guests at Matholwch's court, survive an attempted killing, and later give the cauldron to Bendigeidfran.
Cynon ap Clydno is a named heroic figure of medieval Welsh tradition: a warrior commemorated in the North‑Brittonic poem Y Gododdin and a courtly attendant of King Arthur in the Mabinogion tale often called "Owain, or the Lady of the Fountain." He functions as a martial exemplar, a teller of a failed questing episode that prompts subsequent action by Owain, and as one of Arthur's Three Counsellor Knights and an ardent lover of Morvydd in the surviving sources.
Cían is a member of the Tuatha Dé Danann in early Irish narrative tradition, son of the healer Dian Cecht and father of the hero Lugh. He functions as a noble progenitor and narrative catalyst; his slaying by the Sons of Tuireann triggers Lugh’s imposition of éraic (compensation) quests in medieval and later romance material.
A mythic hound in Irish and Scottish Gaelic folklore whose name links the common Gaelic word for 'hound' with the síth/sídhe element associated with the Otherworld; sources identify it as an otherworldly canine comparable in concept to Welsh otherworld hounds. Available documentation for this entry is limited to short encyclopedia-style references (Wikipedia and Wikidata).
A legendary Irish warrior-hero and demigod of the Ulster Cycle, Cú Chulainn is the central martial protagonist of the Táin Bó Cúailnge and a culture-constituting figure whose stories were preserved in multiple medieval manuscripts and continue to appear in modern memorial and institutional contexts.
The supernatural fairy hound of Celtic tradition — enormous, dark green or white, who hunts in eerie silence and whose triple bark is a death omen.
Cŵn Annwn are the spectral hounds of the Welsh Otherworld (Annwn), portrayed in medieval Welsh tradition as white dogs with red ears that hunt under the authority of Annwn's rulers (notably Arawn and later associations with Gwyn ap Nudd). They appear in Wild Hunt narratives as hunters of game or wrongdoers and as omens of death; later Christian commentators reinterpreted them as 'Hounds of Hell.'
Danand (also Donann) is an Irish mythological ancestress attested in medieval genealogical texts as the mother whose offspring give their name to the Tuatha Dé Danand. She functions primarily as an eponymous mother-figure in manuscript traditions and is sometimes conflated with other maternal sovereignty goddesses in later compilations.
Danu is a reconstructed Irish mother goddess name associated with the Tuatha Dé Danann — the name Tuatha Dé Danann is glossed as 'the peoples of the goddess Danu'. The name is also linked in comparative material to a pan‑Indo‑European river/goddess motif and to cognate deities in other traditions, though primary medieval Irish texts do not preserve a detailed mythology or iconography for her.
Member of the Fianna, a band of warriors in Irish mythology, with supernatural abilities. (Note: * Power tier: Inconsistent with abilities described; should be Primordial or Ancient due to its cosmic/deity-level powers. * Abilities: Not entirely accurate; it's specifically stated that Daolghas ca)
A Gaulish river-associated mother goddess whose name (Mātr-on-ā / Matrŏna) identifies the river now called the Marne; attested as part of the wider Matres/Matronae mother-figure tradition in northern Europe and interpreted as a localized tutelary maternal presence.
Delbáeth (Delbáed; Modern Irish Dealbhaoth/Dealbhaodh) is a recurring personal name in medieval Irish mythological genealogies applied to multiple princely figures of the Tuatha Dé Danann/Fomorian world. Rather than a single consistently depicted being, Delbáeth appears as one or more ancestral/regnal figures—successors of the Dagda, fathers or ancestors of notable personages, and eponymous progenitors for historical septs such as the Delbhna.
Dexiua (also rendered Dexiva) is an ancient local Celtic goddess attested in inscriptions found at Castellar. She is known from epigraphic evidence and is otherwise unattested in surviving mythological narratives or ritual descriptions in the provided sources.
Dexiva (attested Dexiua, Dexsiua) is a local Celtic theonym attested in inscriptions from the oppidum of Castellar (modern Cadenet, southeastern France). Her cult in the Roman period is attested by votive inscriptions and offerings; she appears as an eponym for the local tribal designation Dexivates and is sometimes invoked alongside other deities (Mars; the Caudellenses).
Diarmuid Ua Duibhne, often called Diarmuid of the Love Spot, is a heroic figure of the Irish Fenian Cycle described as a warrior and demigod-like hero fostered by the Tuatha Dé Danann. He is best known for the magical 'ball seirce' (love-spot), his role as Gráinne's lover in the Pursuit of Diarmuid and Gráinne, and for otherworldly adventures including a voyage to the Land-under-Waves.
Divona is the Gaulish name applied to sacred springs and the divinised presence that works through them; attested in classical sources (notably Ausonius for the Bordeaux spring) and preserved in several place-names. The term etymologically means 'the divine one' or 'the goddess', and may function either as a theonym for a particular spring-deity or as a generic epithet for any female water-deity in ancient Gaul.
The 'water hound' of Irish folklore — a ferocious hybrid creature, part otter and part dog, lurking in Irish lakes, known to have killed people and capable of pursuing its hunters at terrifying speed.
Donn is an Irish otherworld figure linked to the dead and to a specific western locus, Tech Duinn ('house of Donn'). In medieval literature he functions as an ancestral host to whom the Gaels come after death; in later folk tradition he appears as a local otherworld lord and as a portentous nocturnal horseman.
Donn Cúailnge, the Brown Bull of Cooley, is the extraordinarily fertile stud bull at the center of the Ulster Cycle narrative Táin Bó Cúailnge (the Cattle Raid of Cooley). Originating in medieval Irish saga material, he functions as an agent within a tale that mixes otherworld transformation, social prestige in cattle, and widescale human conflict.
A human warrior and knight associated with Arthurian and medieval Welsh tradition, noted chiefly for possessing three supernatural birds (Adar Llwch Gwin) given to him by his fairy wife; a late tale records that his literal command to those birds led to his death.
A fabulous wild boar figure attested in Arthurian/Welsh tradition; the sources provided identify the well-known monster Twrch Trwyth as a 'fabulous wild boar' whose hunt is narrated in the Welsh prose romance Culhwch and Olwen. The name 'Drudwyn' appears in the query but is not attested in the supplied source excerpts.
A site-bound ghost associated with Cortachy Castle and the Ogilvy (Earls of Airlie) family, reputed to sound a martial tattoo on a drum — sometimes with ghostly pipes — as a portent of imminent death among the castle's owners. The legend appears in nineteenth- and twentieth-century collections of Scottish ghost stories and in modern summaries.
The headless horseman of Irish legend who carries his own rotting head under one arm, stops at the door of those about to die, and cannot be kept out by any lock.
A class of continental Celtic (Gaulish) aerial/rustic fertility spirits attested in late‑antique and early‑medieval texts; equated by Christian authors with Pan/Faunus and later with incubi, they are described as aerial beings that may appear bodily, engage in sexual intercourse with women and animals, and at times damage or steal crops.
A mythological sea-being from the Fourth Branch of the Mabinogi (Welsh tradition), born to Arianrhod and immediately assuming the nature of the sea at his baptism; famed for swimming as well as the best fish and later slain by his uncle Gofannon.
Dywel fab Erbin is a minor heroic figure of medieval Welsh literary tradition: a son of Erbin, brother to Geraint and Ermid, and named among King Arthur's knights at Celliwig. He is attested in early Welsh poetry (the Black Book of Carmarthen and the Stanzas of the Graves) and in the Arthurian tale Culhwch ac Olwen, where his death in battle and the location of his grave at Caewaw/Caeo are recorded.
Dáire is an Old Irish personal and ancestral name borne by multiple legendary figures in early Irish tradition; it functions as an eponymous ancestor and royal figure cluster associated with sovereignty, fertility/sexual potency, and martial/otherworldly associations rather than a single coherent supernatural being.
Dían Cécht is the professional healer of the Tuatha Dé Danann in medieval Irish myth. Presented as a master of remedies, salves, sacred wells, and prosthetic craft (notably the silver arm of Nuada), he functions as the gods' physician and head of a hereditary healing household.
Dôn is an ancestral matriarch in medieval Welsh legend, presented as the mother and progenitor of a named kin-group commonly called the 'Children of Dôn'. She functions as a genealogical and cosmological origin-figure whose household is mapped onto Welsh place-names and constellations.
The most dangerous water horse in Scottish Highland folklore — haunting sea-lochs and mountain lakes, more violent than the river kelpie, known for consuming its victims whole.
A tale in Irish mythology recounting the journey of high-king Cormac mac Airt to the Land of Promise, a realm associated with Manannán mac Lir. (Note: 1. The source does not mention Echtra Cormaic's power tier, so it should be removed or marked as unknown. 2. Add an appearance description based on Irish mythological descriptions of high-king Cormac )
Ecne is the personification of wisdom in Irish/Celtic mythic tradition, attested in modern summaries as a member of the Tuatha Dé Danann and glossed in Old Irish as 'wisdom' (ecna, ecne). Sources present Ecne genealogically as the offspring of three brothers and as connected to the goddess Anu/Ananna, with variant accounts assigning ambiguous gender and, in one later report, an association with poetry.
Edern ap Nudd is a Welsh medieval literary figure presented as a noble warrior and member of King Arthur's retinue. Presented in native Welsh romances and in continental Arthurian adaptations under variant names, he is described as a son of Nudd and brother of figures such as Gwyn ap Nudd; later medieval/local tradition also attests a Saint Edern with church dedications in Wales.
Efnisien (also spelled Efnysien or Efnissien) is a human royal figure in the medieval Welsh Second Branch of the Mabinogi (Branwen ferch Llŷr). Presented as an explosively violent and disruptive kin whose cruelty precipitates international war, he ends the tale by sacrificing himself to destroy a magical cauldron used by the Irish to revive the dead.
Elatha is a figure in Irish medieval myth portrayed as a king of the Fomorians who also fathers several leading members of the Tuatha Dé Danann. He is depicted as a noble, luminous maritime prince associated with gold and light imagery and appears in narratives such as the Second Battle of Mag Tuired and genealogical accounts explaining the ancestry of figures like Bres, the Dagda, Ogma, and Lir.