José de Jesús Martínez (also known as "Sergeant Chuchu") (c. 1930 - 1991) was a poet, playwright, philosopher and mathematician and a former aide to General Omar Torrijos Herrera, dictator of Panama from 1968 to 1981. Through his association with Herrera, Martínez became a major figure in Graham Greene's 1984 book Getting to Know the General: The story of an involvement.