Played by Malcolm David Kelley
BEFORE THE CRASH:
- Nine-year-old son of Michael
- Lived with mother Susan and her husband in Australia
- Going to live with Michael after the death of his mother
- Attached to his dog, Vincent
ON THE ISLAND:
- Befriended by Locke
- Likes reading a Spanish-language comic book found after the plane crash
- Burned the raft his father built in an effort to stay on the island
- Kidnapped after setting out on the rebuilt raft with Michael
OFF THE ISLAND*:
- Admitted to the Santa Rosa Mental Health Institute as a teenager
- After Hurley takes on the job as the protector of the island, Ben visits Walt at the mental hospital
- Hurley tells Walt that he wants to talk to him about a "job"
* Revealed in "The New Man in Charge" epilogue included as a bonus feature on the home releases of LOST: The Complete Sixth Season and LOST: The Complete Collection.