Characters
We are no longer the Knights who Say Ni!
— Head Knight of Ni • Monty Python and the Holy Grail

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The declaration announces a change of identity by rejecting the group’s existing name. A title built around saying Ni makes that change depend on an oddly small distinguishing feature. The statement gives a verbal habit the importance of an official collective identity.
Context reviewed