Che Guevara was an Argentine Marxist revolutionary, physician, author, guerrilla leader, diplomat, and military theorist. He was a major figure in the Cuban Revolution and his stylized visage has become a ubiquitous countercultural symbol of rebellion and global insignia within popular culture. Guevara's life story has been adapted into several films, books, and songs. He is often referred to by his popular title, 'Che' or 'El Che'.