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Tokugawa Ieyasu, founder of the Edo shogunate
The warlord who unified Japan after the Sengoku period and founded the Tokugawa shogunate, which ruled for over 250 years until the Meiji Restoration. A central figure in Japanese history classes and period dramas.
Usually called simply 家康 in casual reference. 徳川 is the family/clan name he founded a shogunate under; 家康 the given name.
Common expressions
Cultural note
A famous saying attributed to him — "鳴かぬなら鳴くまで待とうホトトギス" ("If the cuckoo won't sing, wait until it does") — is used to contrast his patient temperament with the more impulsive 織田信長 and 豊臣秀吉, his predecessors in the unification of Japan.