The crossword solution for the term 'Sly Character' is 'Rambo'. Rambo is a fictional character created by author David Morrell in his 1972 novel First Blood. He is a Vietnam War veteran and former U.S. Army Special Forces soldier who is skilled in many aspects of survival, weaponry, hand-to-hand combat and guerrilla warfare. The character was portrayed by Sylvester Stallone in the popular film series of the same name.