Bob

Dossier: Janitor Robert "Bob" Jerry, the handyman
 * Background: Aperture Labs employee who participated in the construction of Test Chambers as a cleaner and maintenance expert.
 * Skills: He doesn't understand anything about science but is able to fix everything with duct tape and a screwdriver.
 * Reason for hire: "I can fix anything but myself. Maybe you can give old Bob a hand with that." (Subjected to brain mapping for the Aperture Labs nanobot AI "Jerry" causing progressive lethal brain damage)
 * Appearance: Short hair, shaven complexion, hardhat and protection googles. S.C.I. issued a green H.E.V. Mk IV.

Events
Robert, better known as Janitor Bob, worked as a handyman at Aperture ever since it was built. He knew every trick to make things work without knowing how they worked.

Since he was so helpful, Aperture decided to replicate him eventually. By using him as a test subject for the GLaDOS project during the development of the brain-mapping technology.

He was paid handsomely to have his consciousness copied onto an army of nanobots that would then replace him right before he was fired.

This not only left him depressed and betrayed but also with deadly brain damage. And that is when Sven Co-op reached to him with a possible chance of a possible cure.

He accepted, and was delighted to see that the former CEO's of Aperture also were there at the recruit meeting, suffering, just like him. Little he knew that he would team up with them one day.