Analysis of information sources in references of the Wikipedia article "Gigantor" in English language version.
The character names were then "westernized": Dr. Kaneda became Dr. Sparks; his son Shotaro became Jimmy; and finally, since there already was an "Iron Man" on the market (see Marvel Superheroes), Tetsujin 28GO was not translated as Iron Man No. 28 but completely rechristened as Gigantor.
Driven by a complex neuro-system, Gigantor G3 is a roborg!
Driven by a complex neuro-system, Gigantor G3 is a roborg!