What common term describes the bad guy in a play or novel?

Which common Arabic name means "servant of God"? Common in the American South, a razorback is a wild what? What is the common name of the reptile Chelydra serpentina? What is the common term for a female gamete? Which word means both "dull or commonplace" and "a person traveling on foot"? In the NATO phonetic alphabet, which code word comes between Alpha and Charlie? Company clerk Radar O'Reilly of "M*A*S*H" came from which state? Which company, founded in 1852 by the founders of American Express, became famous for its stagecoaches during the Calif…