Incidentally, he is also famous for having used the Fu-Rin-Ka-Zan (as fast as the wind, as quiet as the forest, as daring as fire, and as immovable as the mountain) banner prior to Shingen TAKEDA.
ちなみに、武田信玄よりも先に「風林火山」の旗印を用いたことでも有名である。