Che Guevara was a revolutionary associated with Cuba.
The Revolution café in Piccadilly Circus had posters of Che Guevara and Fidel Castro, and a huge Cuban flag pinned to the ceiling. (PROSE: Revolution Man [+]Paul Leonard, BBC Eighth Doctor Adventures (BBC Books, 1999).)
Miles Mokri had a poster of himself as Che Guevara, captioned "Che Miles!" with the Cuban flag as a background. (WC: Web of Lies [+]Jane Espenson and Ryan Scott, 2011.)