Charlie
- Sport: Charlie frantically searches for Kate to tell her that Jack was trapped in a cave in. "Don't sweat it, Sport, I'll find her." (Ep: 1x7, The Moth)
- Sport is a nickname often used for young boys.
- Chuckie: Charlie babysits while Claire takes a nap. "Hey, Chuckie, want to keep that kid quiet?" (Ep: 1x21, The Greater Good)
- Chuckie is a common nickname for Charlie.
- Tattoo: Charlie asks if anyone saw the plane that made the food drop. "Yeah, I saw it, Tattoo, I just decided not to tell."(Ep: 2x18, Dave)
- Tattoo was the name of the sidekick who ran up the main bell tower to ring the bell and shout "The plane! The plane!" on the long running series Fantasy Island.
- Babynapper: Charlie wants someone trustworthy to supervise the taking of food. "Like you, babynapper?" (Ep: 2x18, Dave)
- Charlie had stolen Claire's baby when he was having weird dreams.
- Oliver Twist: Sawyer returns to the main camp to find that his stash is missing. "Hey, Oliver Twist, where the hell's my stuff?" (Ep: 3x10, Tricia Tanaka is Dead)
- Oliver Twist is the title character in Charles Dickens' second novel about an orphan boy born in a workhouse.
- Munchkin: Sawyer wants to know who else besides Desmond and Charlie drank his scotch. "You, the munchkin, and who else?" (Ep: 3x10, Tricia Tanaka is Dead)
- Munchkins are the little people in the film The Wizard of Oz.
- Jiminy Cricket: Sawyer sees Charlie with Hurley. "What's Jiminy Cricket doing here?" (Ep: 3x10, Tricia Tanaka is Dead)
- Jiminy was a small cricket assigned by the Blue Fairy to Pinocchio to serve as his conscience in the 1940 Walt Disney animated film Pinocchio.
