1) Che from Argentina 2) Che guevara 3) Compadre of Castro 4) Ernesto guevara 5) Face seen on many T-shirts 6) Guerrilla Warfare author 7) Revolutionary 8) Revolutionary che 9) Revolutionary surname 10) Revolutionist 11) Subversive 12) Subverter 13) The Motorcycle Diaries author Found on https://www.crosswordclues.com/clue/guevara