Fidel Castro and Raul Castro were brothers and their first name was Fidel. Fidel Castro was the well-known leader of the Cuban Revolution and served as the Prime Minister and President of Cuba. After Fidel's retirement in 2008, Raul Castro took over as the President of Cuba. Raul Castro was also involved in the Cuban Revolution and served as the Minister of Defense for several years before becoming the President. The Castro brothers were known for their strong Communist and anti-American ideologies, and their political influence was felt not only in Cuba but also in many other parts of the world.