Board Thread:Lore Discussion/@comment-181.197.0.201-20151125012657/@comment-6881629-20151125105037

Olaf One-Eye and Red Eagle (who isn't even a Nord but a Reachman) appear as the basic Draugr boss, i think this is down to Bethesda simply not wanting to make unique models for them. I guess you could say it was the form of burial that made them appear like Draugr (but it's probably just reused models).