Board Thread:Lore/@comment-67.10.139.249-20150623235701/@comment-27723099-20150624004034

The trolls are made as a replication of the ents, or at least that's what Treebeard believes. It's not really known how he bred them.

Like orcs, there are many different races of trolls but you can't count them. (Counter question: how many races of humans exist on the real earth? You can't separate all the races exactly.) Here is a good overview: Troll Types