Katsura Kotaro of Choshu and Saigo Takamori of Satsuma. These two would be the lyncpins of the Joi revolution that disposed of Tokugawa rule, but they didn't always get along.
Again, cats sometimes 
forget after three steps.
Los gatos olvidan todo
al dar tres pasos.
Mas gatos esquecem de
tudo a cada três passos!