Serhiy Martyniuk — Ukrainian writer, musician and cultural figure, better known under the pseudonym Kolos. He is the frontman of the Ukrainian rock band "Violet" and is actively engaged in literary activities. In his work, Martyniuk combines music and literature, often addressing the topics of self-identification, self-discovery, relationships, and social issues.
As a writer, he publishes prose works, including novels and collections of short stories, which are characterized by sincerity, deep emotions and realistic characters. Martyniuk also participates in various literary events and festivals, popularizing modern Ukrainian culture.
