Tensai BakabonTensai Bakabon.

Tensai Bakabon (天才バカボン; lit. 'Genius Bakabon') is a Japanese manga series written and illustrated by Fujio Akatsuka, which began publication on April 9, 1967, in Weekly Shōnen Magazine. It is about the misadventures of a dim-witted boy (Bakabon) and his idiotic father, the latter of whom eventually becomes the central character. It has been adapted into five anime television series.