i dont like them because tolkien describes them as having stone scales and long mossy dirty hair mean while the one in the movies are bald and have smooth skin exept on their backs
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His enemy halted again, facing him, and the shadow about it reached out like two vast wings.
… suddenly it drew itself up to a great height, and its wings were spread from wall to wall …
Well I like Tolkien's discription of htem. However, I do not like to think of Trolls as having hair. So I am glad they made them bald. However they could have not made there skin smooth.
Ya, that would be really cool! There back looked like that however, just like you said. But I like how they made the trolls. Sorry, but there are some things that they should have left in the movie, however some things I think Petter Jackson and the people of the movies made even better then J.R.R. Tolkien.