In Slavic folklore, Zmey Gorynych is the three-headed dragon demon commonly featured as an antagonist in folk tales.
Zmey Gorynych is especially prominent in Russian and Ukrainian folklore, where he appears as a monstrous, usually winged, fire-breathing dragon. His name is commonly interpreted as “Serpent Gorynych,” with Gorynych often connected to a mountain or burning. Descriptions vary, but three heads are the most familiar version; some traditions give him six, nine, or even twelve.
One of his best-known stories places him opposite Dobrynya Nikitich, a heroic warrior of the Russian byliny tradition. In such tales, the dragon represents a destructive enemy threatening communities, captives, or the established social order. The hero’s victory follows the broader European pattern of a champion defeating a dragon, but the multi-headed form gives the Slavic stories their distinctive character.
Zmey Gorynych is sometimes mixed up with Chudo-Yudo, another multi-headed monster in Russian tales, or with the generic Slavic zmey, meaning serpent or dragon. Unlike a single universal mythological deity, Gorynych belongs to a broad and changing folklore tradition.