Mao is formidable but Shih Huang Ti is THE 1st Emperor of China. In terms of badassery, he is the man. He fought and buttraped 6 kingdoms when at that time, his nation Chin considered as red neck hicks in ancient time China. He also developed combined arms tactics with great emphasis on crossbowmen which decimated the other armies.
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Adolf Hitler
Napoleon Bonaparte
Augustus Caesar , First Emperor of Imperial Rome
Now I am puzzled by this one. He could be either Zhuge Liang, Sun Tzu or Kung Fu Tze or Confucius as he is known in the West. These 3 are intellectual and strategist titans of China.
The former Premier of Japan will go against these historical titans in mahjong. Interesting.
Cheers.