is that what they're called?

My Monster Name is Olog-Hai There are trolls and then there are the Olog-Hai. The Olog-Hai were created by Sauron to be bigger (yes bigger), smarter and faster than normal trolls. Olog-Hai don’t inconveniently turn to stone if they’re caught out in sunlight. Olog-Hai wait in Mordor to fight in wars for the Dark Lord or work in the marketing departments for large companies around the world. The Levenshtein distance between kodalai and Olog-Hai is 4.
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I can live with that. ^_^