Ernesto Guevara, commonly known as 'Che' was an Argentine Marxist revolutionary, physician, author, guerrilla leader, diplomat, and military theorist. He was a major figure of the Cuban Revolution, whose stylized visage has become a ubiquitous countercultural symbol of rebellion and global insignia in popular culture. Guevara's life was characterized by his political convictions and his desire to create a better world through socialism.