This is it, people. One of the originals. There are so many videogames, TV shows, and even other animations that copy elements from this show that it is a legend in its own right.
Kenshiro, a man who lived his youth in an era of freedom and peace (the 80's, of course!), trained as a martial artist in the Divine Fist of the North Star. A nuclear war broke out and he was one of the lucky folks