What is a good guy and a bad guy called in a book?

What was an image by Martin Luther King Jr in his I have a dream speech? How did the British Pound Sterling get its name? Who painted the arrival and reception of Marie at marseilles? Who led the attack on the Battle of Fort Wagner? Did Mahatma Gandhi shot? What country did allied forces land on November 1942? Can anybody give me a few names of scalawags or carpetbaggers from the 1850s for my history paper? How did military time originated? Where did the northwest company sell their furs? Who was the man who won control of Rome after Julius Cesar death? How were the city of the Mycenaean Greeks organized? What weapons or tools did kootenai have? How many people did chlorine gas kill during the battle of Ypres? Were gladiators trained in hand-to hand combat? What was the cause of World War I and World War 2? Why did Senator John Kerry throw his swiftboat buddies under the bus? What did edward grim say aBOUT THE MURDER OF THOMAS BECKET? What is the value of depression food ration stamps? What did president Monroe order Andrew Jackson to do in 1818? Difference between the US Constitution and the Great Britain Constitution?

What is a good guy and a bad guy called in a book?