Socius

Socius was a holographic program developed by Dr. Joshua who created a female hologram which he called Socius monitored his laboratory on Atlantis. Dr. Rodney McKay, considered that the technology is within a designated Companion laboratory that allowed them to read the minds of their owners. So they could anticipate their thoughts and worked to respond to their needs. The only known Companion was Socius that remained in operation Atlantis when Atlantis expedition came and showed an obsessive desire to remain alone with its owner.