RTF is a global modification that replaces all towns in the game.

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Is he currently outside the city? Couldn't you check which faction he belongs to in the game?

P.S. Regarding the voice acting, I thought the bear sound for the dwarves would work, right?

Oh, yes, he's outside the city... The bear-dwarf makes puffing sounds; by the way, this is actually a funny thing about the Hammers of Fate – the dwarves have breathing sounds, but in the Tribes of the East, they abandoned this and the alt-grey dwarves no longer puff.

Here's a test file with a yeti-peasant.

I think I'll check out Warcraft III tomorrow; it has bear sounds, and maybe yeti sounds too.