Louhi's confrontation with the heroes over the Sampo became one of the defining subjects of Finnish national art in the decades around 1900, when the Kalevala was being actively mobilized as a symbol of Finnish cultural identity under Russian imperial rule. The painter Akseli Gallen-Kallela, the artist most closely associated with visualizing the epic for a modern audience, produced several major canvases drawing directly on Louhi's role as antagonist, among them The Defense of the Sampo of 1896, which shows her transformed into a great taloned bird of prey locked in violent struggle with Vainamoinen and his companions over the stolen treasure, an image that has become one of the most reproduced single scenes from the entire epic in Finnish visual culture. Gallen-Kallela's Louhi is monumental and genuinely frightening rather than a minor fairy-tale witch, rendered with the same heroic, nationally charged seriousness the artist gave to the epic's male heroes.
These paintings did more than illustrate an existing text; they fixed, for generations of Finnish viewers, a specific visual image of Louhi as a fearsome bird-woman in aerial combat that most people encountering the Kalevala today, including many who have never read the poem itself, are likely to picture first, an example of how a single influential artist working during a period of intense national cultural self-definition can shape collective visual memory of a mythological figure as durably as, or more durably than, the original verse describing her.