The crossword solution for the term NANKI-POO is a three letter word. Nanki-Poo is a character from Gilbert and Sullivan's comic opera, The Mikado. He is a young man who disguises himself as a wandering minstrel in order to escape an arranged marriage. He falls in love with Yum-Yum, a ward of Ko-Ko, the Lord High Executioner. Nanki-Poo is a romantic figure who is willing to sacrifice his own happiness for the sake of others.