Xe'ls

Xe'ls is one of several aliens who pose as the spirits of a tribe of Salish indians living on PXY-887. He appears to be the leader and, when in the presence of the Salish, takes the form of a raven. While on a visit to the SGC, Tonane is made aware of the spirits' true nature, and an agreement is made between Xe'ls and Tonane that the spirits will show themselves tothe Salish in their true form from now on.

Behind the scenes
This is Alex Zahara's first appearance in Stargate SG-1.