Coloring pages of Son Goku. Son Goku (Japanese: 孫 悟空) also briefly known as Goku, is the main character in the Japanese TV series and manga "Dragon Ball". It was originally created as a comic book character by Akira Toriyama, and his character is based on Sun Wakong's ((Monkey King) main character in the novel "Journey to the West". Goku was portrayed as a strange boy with a monkey tail, who practices martial arts and has superhuman power in his hand. Although it was commonly thought at the beginning of the series that Goku was a human, it was later discovered that he was part of a race called the "Saiyans", an alien race of primate-like ones and whose real name is Cacaruto.