Trollhammaren!

[Groin Redbeard]

Originally Posted by Eomer of the Rohirrim

Trolls are brilliant, this I know. Tolkien's portrayal of Trolls, however, is ever-so-slightly disappointing to me. Traditional characterisation of Trolls is varied, and JRRT chose to go with the huge (though not gigantic) bloodthirsty beast, or in The Hobbit dim-witted lummox.

Not all trolls that Tolkien portrayed are stupid. I believe that there was a species of mountain trolls called the Olog-Hia. These trolls were so smart that they were able to develop their own language and society.

Which is as smart as trolls can get.