fanghorn

Treebeard, the ancient Ent of Fanghorn, whose race was created by Yavanna herself to protect the trees and who roamed Middle Earth before the Elves woke was tricked by clever hobbits into making war upon Saruman. Even though a wizard should know better, Saruman knew Ents are dumb.
—  The Two Towers, or maybe Return of the King, i forget which