Before the crash
David leaves his family in ("Tricia Tanaka Is Dead").
When Hurley was young, they worked on fixing up a Camaro together, with David promising his son that if they fixed it, they'd drive to the Grand Canyon. But David then left the family for 17 years, only to be brought back by Carmen after Hurley had won the Lotto.
David was given the task of convincing Hurley he was not cursed by the numbers and shouldn't go to Australia. He took Hurley to a fortune teller, whom David had paid off to "get rid" of the curse. Despite his best efforts, David was unsuccessful in this task, and Hurley left for Australia. ("Tricia Tanaka Is Dead")
After Hurley's return
David shows his son his present in ("There's No Place Like Home, Part 1").
After the rescue of the Oceanic 6, David was present when Hurley arrived on the mainland, and greeted Hurley along with Carmen. After Hurley returned home one day, David and Carmen surprised him with a birthday party. During this party, David took Hurley outside to show him the Camaro he had fixed as a "tribute to Hurley," because it "felt like Hurley was with him." Hurley eagerly gets into the car, but is startled to see the numbers in the odometer. David waves this off as a coincidence, but Hurley disagrees and runs away, much to his father's chagrin. ("There's No Place Like Home, Part 1")
Years later, after his son was re-admitted to Santa Rosa Mental Health Institute, David watches an episode of Exposé when he hears a knock on the front door. It is his son, carrying an unconscious Sayid. Hurley tells his father that Sayid was shot with some darts, but David believes he's lying. The LAPD arrive at the mansion, and David tells them that he hasn't seen Hurley. Hurley doesn't give much away when questioned by his father, but tells him they can't go to a hospital, but that he has an idea. Hurley notes that the police are staking out the mansion, and David asks his son if he is, in fact, crazy. Hurley tells him he has a good reason to lie. After Carmen returns home, David leaves the house in his car, nervously waving at the police as he drives past.
David bringing Sayid to Jack.
David meets up with Jack and asks if he can trust him. David shows Jack that he has Sayid in the back of his jeep. Jack wants to know who is with Hurley at the mansion, and takes Sayid to a hospital. David tells Jack to stay away from Hurley. ("The Lie")
- Out of the main characters, David has only met Hurley, Jack, and Sayid.
- He may have met Kate at Hurley's surprise birthday party.
- David is of Hebrew origin, and its meaning is "beloved".
- "Reyes" is Spanish for "kings." David was the name of the shepherd of the southern kingdom of Judah who became the second king of Israel and whose son Solomon became third king, built the temple, and became known as the wisest man on earth (possibly history).
- As David is leaving there is an 8-sided stop sign mirroring Hurley's thoughts.
- This is not the first 'Dave' played by Cheech Marin - Cheech is Dave in the popular "Dave's Not Here!" Cheech and Chong sketch. This might be seen as ironic, since it's the other Dave character that's not there.
- Dave is also the name of Hurley's imaginary friend from Santa Rosa and the Island.
- When David Reyes left for 17 years, he told Hurley that he was going to Las Vegas for work.
- In an interview with Buddy.tv, the executive writers and producers discuss the source of the name "Dave":
Damon Lindelof: We like certain biblical names and David is one of them. David happened to be my father’s name, maybe that’s sort of subconsciously rattling around in there.
Carlton Cuse: The connection between the imaginary Dave and Dave his father was completely intentional, I mean we wanted basically Hurley to imagine a friend and have that be wrapped up in his unresolved relationship with his dad, so that’s why his imaginary friend is named Dave.
- For fan theories about these unanswered questions, see: David Reyes/Theories
- Why did he leave in the first place?
- Where was he for 17 years?