The thunderer–devil conflict in Baltic folklore is a complex of legends, beliefs, charms, folktales, and seasonal customs in which the Lithuanian Perkūnas or Latvian Pērkons pursues a chthonic opponent called velnias, velns, jods, or by a Christian name for the devil. Thunder is the noise of the pursuit, lightning is the pursuer's weapon, and struck trees, stones, buildings, people, and animals are places where the fugitive has hidden or objects caught in the attack. The tradition belongs chiefly to Lithuanian and Latvian folklore, with close parallels around the Baltic Sea. No single recorded text contains a complete canonical myth. Lithuanian legends preserve the fullest hunting sequence: a storm overtakes a hunter, who sees the thunderer's opponent darting into a hollow tree, beneath a stone or turf, or into water while mocking the sky between thunderclaps. The hunter loads a gun with silver and kills the fugitive; Perkūnas then appears in human form, thanks the hunter, and gives him an inexhaustible weapon or another reward that must be used under strict conditions. A related dialogue enumerates one hiding place after another until water or the underside of the earth offers the opponent a refuge that thunder cannot readily penetrate. Latvian legends retain the pursuit, transformation, stone-throwing, and hiding motifs, while Latvian verbal charms apply the same imagery to healing and protection. Pērkons, several thunders, or thrice-nine thunderbolts drive a devil, disease, swelling, or malign influence under a stone, into the sea, or beyond the inhabited world. Other narratives explain the feud through a stolen axe, knife, pipe, vehicle, goat, stones, bullets, or thunder instrument. These openings are less stable than the chase itself and include fragile recordings collected through school questionnaires. The conflict also structures beliefs about the first thunder of spring and conduct during storms. The first thunder was said to shake, move, or purify the earth, end a dangerous winter interval, and open the season for sowing, grazing, bathing, and direct contact with the ground. Historical storm practices sought to deny the fugitive a hiding place through closed doors, expelled black animals, blessed vegetation, smoke, prayer, and avoidance of certain trees, stones, water, field boundaries, and open furrows. Scholars have interpreted the complex as weather aetiology, a seasonal encounter between atmospheric and chthonic powers, a moral narrative about order and transgression, and part of a wider Circum-Baltic and Indo-European field; the fragmentary and often Christianised evidence does not establish one unchanged prehistoric plot.
Terminology and scope The analytical name thunderer–devil conflict covers a family of traditions, not a title used by the original narrators. Lithuanian scholarship commonly calls the relationship Perkūno ir velnio nesantaika or Perkūno kova su velniu, meaning the enmity or struggle of Perkūnas and the devil. Jonas Balys used the broader title Griaustinis ir velnias Baltoskandijos kraštų tautosakoje, “Thunder and the Devil in the Folklore of the Balto-Scandinavian Countries”, for his 1939 comparative monograph. The English word thunderer permits discussion of Lithuanian Perkūnas, Latvian Pērkons, personified Thunder, God, and Christian successors without treating every name as evidence for one identical divine figure. The Lithuanian noun velnias and Latvian velns are conventional translations of “devil”, but the folkloric figure combines several historical layers. It may be a Christian tempter or inhabitant of hell, a dead-associated or water-associated chthonic being, a wealthy gentleman, a foolish trickster, an animal-shaped fugitive, or an opponent of the thunder god. Latvian records also use jods, “black man”, “big man”, and other indirect designations, especially in charms where naming a harmful being could be avoided. Capitalisation varies in translations because the same vernacular term can function as a proper name, a class-name for devils, or the Christian Devil. The relevant evidence belongs to several genres whose forms and uses differ. A memorate may report what a named person saw during one storm; a legend supplies a short explanatory plot; a belief reduces the plot to one or two sentences; a charm turns pursuit into a spoken act intended to remove disease; and a wonder tale expands the relationship into repeated adventures. Motifs can cross those boundaries, but a healing formula was performed for a different immediate purpose from a fireside legend or an answer to a collector's questionnaire. The term Baltic refers here to the related Lithuanian and Latvian traditions and to evidence recorded among speakers of those languages. Old Prussian sources preserve the thunder-god name but do not provide an oral narrative corpus comparable with the Lithuanian and Latvian collections. Circum-Baltic comparison includes Finnic, Sámi, Scandinavian, and neighbouring Slavic traditions when a tale type or motif has demonstrable regional distribution. Such comparison establishes contact, shared narrative patterns, or inherited elements only when the distribution and textual history support those conclusions.
Sources and collection history
… excerpt ends here. Continue reading the full article.


![Thunderer–devil conflict in Baltic folklore: The Perkūnas Oak in Plungė, Lithuania.[82] Folklore could associate an oak both with the thunder god and with a hollow in which his opponent hid.[81]](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Perkuno_azuolas.jpg/1280px-Perkuno_azuolas.jpg?utm_source=en.wikipedia.org&utm_campaign=parser&utm_content=thumbnail)
