From Creatures Wikia
Sgeo never likes to reveal his true name, but if you were to run it through SHA-1, you'd get
51343a629b5f8ea07d220b185dc4439016fbd4b2. This happens to be the first time that even a hint of his true full name has ever been mentioned.
Sgeo is a gengineer, making benevolent norns. He also made a patch for the Holistic Learning Machine, and done other things with CAOS and genetics. Sgeo is currently working on hex editing projects.