When time changed for the land of the rising sun and the noble samurai were no longer quite needed, the Ronin, masterless Samurai, appeared everywhere. Swords for hire with a moral code, they're responsible for some of the tales of heroism
Evolution of the Batmobile -- I have always loved the original 66 for the fact that it would be the easiest to fix/replace. Throw a diesel in for even simpler operation. But that would not sell tickets.