We learned a lot in Deus Ex Machina
* Locke's mother was in the same mental hospital as Hurley's numbers "friend" (Sorry, was his name Lenny?)
* Locke's real father manipulated Locke into donating a kidney to him. His father is quite wealthy.
* Locke's mother believed (?) he was adopted, but he actually was in several foster homes
* Locke was hit by a car, but not paralyzed
* Locke had hair ;)
* Locke worked at a toy store and Mousetrap was his favorite game
* Locke did not learn to hunt until he was an adult