Funniest lines in Middle-Earth

[Evisse the Blue]

Another one of Gollum's dry humour:
Frodo asks:

"Must we cross these evil-smelling fens?"
"No, no need at all", said Gollum. Not if hobbits want to reach the dark mountains and to go see Him very quick"

And from the same trek through the Dead Marshes - Sam thinking to himself:

Three precious Gollums in a row we shall be, if this goes on much longer.