Opening credits of Tranzor Z series. That played at least where I lived around 1985.
Yes this was based off of Mazinger Z but this not the same storyline. Mazinger Z is a better storylne. But some censors in this country thought parts of the Mazinger series inapropriate for children at the time.
For you purists out there remember this is not Mazinger and alas this is a close as most Americans ever got.