I’ve added figures that were not technically from a 1:18 scaled line but can work well in a 1:18 scaled display.
Treebeard – He comes in 3 different sizes. 8 inches, 12 inches, and a giant 17 inch one.
Here is the 8″ one next to a 6″ Lord of the Rings figure by Toybiz.
Here is the 12″ figure with some hobbit statues on his shoulder.
And here is the 17″ Electronic version