Stone-Troll in the New Line film
Trolls who would turn to stone in sunlight. Stone-Trolls were not strictly a breed, but a group who had this specific disadvantage. Stone-Trolls lived in the Troll-Shaws and the Misty Mountains. The fed upon Elves, men, Dwarves, hobbits, and even orcs. During the quest of Erebor, Thorin and Company came upon three Stone-Trolls: Tom, Bert, and William Huggins. The Trolls tried to eat them, but argued to long about whether they should boil them, bake, them, or eat them raw. They fought until morning and were turned to stone, and were later found by Aragorn, Frodo, sam, Pippin, and Merry.