Fist of the North Star
The authors are Tetsuo Hara and Buronson, pseudonym of writer Yoshiyuki Okamura.

the story
A World War in the late twentieth century led to the collapse of modern civilization and the utter devastation of the environment. The nuclear holocaust survivors were reduced to living in small gatherings in urban oasis in the desert, besieged by gangs of marauders, who plunder and destroy everything in their path. In this scenario moves Kenshiro, successor to the 64 th school of martial arts "Divine School of Hokuto", the Hokuto Shinken. This fighting technique is based loosely on the principles of acupuncture and devastating noticeable effect, or, in case of control over the body and / or healing, channeling the '"energy" of the practitioner in particular "pressure points" of the opponent (said tsubo). If initially the purpose of Kenshiro seems only the struggle to be reunited with his girlfriend kidnapped, will soon revealed that the boy has in his hands the fate of those who escaped the catastrophe.
characters
Main article further article: Characters of Fist of the North.
Martial arts schools
Main article further article: Schools of Martial Arts Fist of the North.
In the manga and anime of Fist of the North there are many schools of martial arts, used by the main protagonists of the story are:

The Divine School of Hokuto;
The American School of Nantwich;
The Imperial School of Cento;
The Arcane Art of Hokuto (often adapted Hokuto Gemmy School).

There are other schools, "minor" used by the various martial arts masters who meet during the story.