Ukko, Äijä or Äijö, parallel to Uku in Estonian mythology, is the god of the sky, weather, harvest, and thunder in Finnish mythology.
Painting by Robert Ekman in 1867 called Lemminkäinen tulisella järvellä where Lemminkäinen asks help from Ukko ylijumala with crossing the lake in fire on his route to the wedding at Pohjola.
Ukonkivi (Ukko's rock) in Lake Inari in Lapland. Ukonkivi was a holy site to the local Sami. Archeological finds, apparently offerings, have been found at site.
Corded Ware culture boat-shaped battle axe from Närke, Sweden.
Simplified drawing of a stone carving type found in Karelia, which is believed to have characteristics of both snakes and lightning.
Finnish mythology commonly refers of the folklore of Finnish paganism, of which a modern revival is practiced by a small percentage of the Finnish people. It has many shared features with Estonian and other Finnic mythologies, but also with neighbouring Baltic, Slavic and, to a lesser extent, Norse mythologies.
Structure of the world, according to Finnish mythology.