Dragon Ball began back in 1984, roughly 15 months after Fist of the North Star. If anything, they would have shared a teacher, perhaps along with Jojo.
Goku's teacher would have to be from one of those 70's manga that we don't really remember outside of Japan. Like Kinnikuman or Devilman.
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Salnax
Oct 13, 2018 at 09:12PM EDT in reply to
KorovaMilkBar
Oct 13, 2018 at 06:15PM EDT