- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Name given by Clara Sutter to her imaginary friend in 2368. Sutter, a child aboard the U.S.S. Enterprise-D, was thought to be creating mischief and blaming it on her "imaginary friend" Isabella.
It turned out that an unusual, non-corporeal entity from the FGC-47 Nebula had entered the ship and had assumed the identity of Sutter's heretofore non-existent playmate.