Quote Originally Posted by Eldtagg View Post
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I believe that Gosetsu is a big muscular Hyur and not actually a Roegadyn, but instead of having to custom build a body for him, it was easier to use the Roegadyn body.

Edit: screwed up the quote in my last reply...
No, he's canonically an Eastern Roegadyn - they're an acknowledged race designed by the devs, and discussed in the official lorebook.