Badman vs. Batman

A violence-prone man who has had run-ins with the law; especially one from the Old West days of U.S. history.

Example: ‘Billy the Kid was a badman.’;

To act as a batman.

(military) A servant or valet to an army officer.

A personal assistant or supporter.

A weight used in the East, varying according to the locality; in Turkey, the greater batman is about 157 pounds, the lesser only a fourth of this; at Aleppo and Smyrna, the batman is 17 pounds.

A man who has charge of a bathorse and his load.

an orderly assigned to serve a British military officer

Batman is a superhero who appears in American comic books published by DC Comics. Batman was created by artist Bob Kane and writer Bill Finger, and debuted in the 27th issue of the comic book Detective Comics on March 30, 1939.