Ngdins were vampiric creatures used by the Yuuzhan Vong. Shaped like a tongue, the ngdins were used to consume blood from sacrifices, as well as excess bits of flesh not thrown to the maw luurs. They moved about on tiny cillia, which had a numbing affect on contact with flesh.
- The New Jedi Order: Dark Tide I: Onslaught (First appearance)
- The New Jedi Order: Dark Tide II: Ruin (Mentioned only)
- The New Jedi Order: Agents of Chaos II: Jedi Eclipse
- The New Jedi Order: Balance Point
- The New Jedi Order: The Unifying Force