Who are the knights that say nee?
Then, what do the Knights Who Say Ni say now?
Knight of Ni: We are now the Knights who say "Ekky-ekky-ekky-ekky-z'Bang, zoom-Boing, z'nourrrwringnmmm". Other Knight of Ni: Ni! Knight of Ni: Therefore, we must give you a test. Arthur: What is this test, o Knights of..
In this manner, what word hurts the Knights Who Say Ni?
King Arthur bluntly refuses this impossible task, telling the Knights that "It can't be done". It is then revealed that the Knights who say Ni can't stand hearing the word "it", as it causes them excruciating pain, much like saying Ni! causes pain on their victims.
Roger: Oh, what sad times are these when passing ruffians can say Ni at will to old ladies. There is a pestilence upon this land. Nothing is sacred. Even those who arrange and design shrubberies are under considerable economic stress at this period in history.