- Assumed the personae of beneficent protective gods on many worlds
- Resemble the "Roswell Grays" described in countless UFO stories
Highlights:
- Pursued means of extending their lifespans, began to use cloning technology
- Tactically & technologically superior to the Goa'uld
- Forced the Goa'uld to sign a treaty in order to keep them from destroying humans
- Battled the Replicators, defeated them with the Tau'ri’s help
- Their genetics started degrading, caused by continuous re-cloning
- Committed mass suicide to prevent their technology from being misused