 If you liked
Cyborg 009: The Cyborg Soldier
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 ...then you might like
Skull Man
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The original mangas for both The Skull Man and Cyborg 009 were created by Shotaro Ishinomori. Joe Shimamura/Cyborg 009 even makes a camero appearence in the Skull Man manga to debate evil with him (since they are the hero and anti-hero interpratations of the same idea at heart). The Skull man is considered a pseudo prequel of Cyborg 009.