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Makoto Iwamatsu (December 10, 1933 - July 21, 2006) was a Japanese-American actor who was credited in almost all his roles as simply Mako.
Makoto Iwamatsu
The Ninja
for The Ninja in Batman '66 Villains
Suggested by acthepantherno1
If the villains in the Batman 1966 comics made it onto the show.
