He was the monkey hero of the extended full-length animation, "Songoku the Monkey", which was based on the old favorite "Alkazam the Great", and was almost solely responsible for bringing the tumultuous touch to this film. Most people are familiar with the Songoku who appeared in the television animation, but this character was in fact quite different.
List of the works
Son-goku the Monkey
Astro Boy / Heros of Tezuka Osamu Manga (as the man of sense of justice?)