zhuge_liang
A famous tactician from the Romance of the Three Kingdoms. Also known as "Kongming". Originally a man, but now has countless female portrayals.
Besides his portrayal in the book (Where he appears to be almost omniscient), there are a few memes and phrases involving his portrayal by Yokoyama Mitsuteru (Several variants of "Kongming's Trap" or "Now!") and his portrayal in Koei's games.