So, just to confuse things some more.... What about Aasimar and Tieflings?
Tieflings and aasimars are outsiders whose otherworldly powers are so strong they wash out the base creature, be it bear, bugbear or barbarian. Any aasimar or tiefling is only an aasimar or tiefling, although doubtless worthy ones. That's why they are unaffected by "charm person" or "charm animal". They are native outsiders. Qed