A revolutionary figure is someone who has had a significant impact on the course of history. The crossword solutions for this term are PLANET (6 letters), CHE (3 letters), MAO (3 letters), FIST (4 letters), and OTIS (4 letters). PLANET refers to the Cuban revolutionary leader Fidel Castro, who was known as El Comandante or 'The Commander'. CHE is a reference to Che Guevara, an Argentine Marxist revolutionary who was a key figure in the Cuban Revolution. MAO is a reference to Mao Zedong, the founding father of the People's Republic of China and leader of the Chinese Communist Party from 1949 until his death in 1976. FIST is a reference to the Black Panther Party, a revolutionary black nationalist and socialist organization founded in 1966. OTIS is a reference to Otis Redding, an American singer-songwriter and record producer who was an influential figure in the development of soul music.