this is true to the lore bc in 1850, Billy the kid, Davy Crockett, Abraham Lincoln, Stonewall Jackson, Fu Manchu, Alfred Nobel, Sigmund Freud, Nikola Tesla, and John Henry were the mercs (According to the comics).
SCOUT (BILLY THE KID); Stock; Stock; HENRY MCCARTY, ALIAS WILLIAM H. BONNEY, BETTER KNOWN AS BILLY THE KID, WAS AN AMERICAN OUTLAW AND GUNFIGHTER OF THE OLD WEST.