The revolutionary leader who co-led the Cuban Revolution with Fidel Castro was Che Guevara. An Argentine Marxist revolutionary, Guevara played a critical role in the Cuban Revolution that successfully ousted the Batista regime in 1959. Known for his strategic military tactics and charismatic leadership, Guevara became a prominent figure in the movement, deeply influencing its ideology and direction. After the revolution, he held various government posts in Cuba but later left to promote similar revolutionary movements in other countries. His legacy remains a symbol of rebellion and revolutionary fervor.