Hard to choose, but I think the knights who say "Ni" are really funny
“First you must find... another shrubbery! (dramatic chord) Then, when you have found the shrubbery, you must place it here, beside this shrubbery, only slightly higher so you get a two layer effect with a little path running down the middle. ("A path! A path!") Then, you must cut down the mightiest tree in the forrest... with... a herring!”
Staying out of the questions part of this thread though - don't want to be smacked with a fish!
There were no public health laws in Ankh-Morpork. It would be like installing smoke detectors in Hell.
- Feet of clay.