Director Osamu Dezaki started a revolution at Tokyo Movie in the 70s, according to this 1997 interview on The Adventures of Gamba.
Tag: black jack
The Other Half of the Golden Combo: Akio Sugino Interview – Animation and Akio Sugino (Part 5/6)
"I went back and forth to America over the span of a few years and designed these characters. But ultimately I got dropped from [Nemo]. It was really quite unfortunate."