Navi, the fairy companion in The Legend of Zelda: Ocarina of Time, was originally conceived by designer Yoshiaki Koizumi as a cute, human-like girl. Due to the hardware limitations of the Nintendo 64, this complex design proved difficult to implement, so the development team ultimately changed her into a glowing orb with wings.
This design insight comes from a 2011 "Iwata Asks" interview, which has recently regained attention. Navi was not originally intended to be a major story character but rather served as a target indicator for the Z-targeting system. Yoshiaki Koizumi felt that placing an inverted triangle directly above enemies did not fit the world of The Legend of Zelda, leading to the introduction of the fairy motif.
This mechanic was initially called the "Fairy Navigation System." Script Director Toru Osawa later suggested abbreviating "navigation" to "Navi," which also expanded her role. She not only uses different colors to indicate Link's current lock-on target but also naturally guides players who are experiencing 3D Legend of Zelda gameplay for the first time.
The Switch 2 remaster, scheduled for release on November 5, will feature revamped visuals, fully voiced cutscenes, expanded dialogue, an orchestral soundtrack, new movement options, and modern camera controls. Despite numerous adjustments to the game overall, Navi retains her familiar glowing fairy appearance as seen in official materials.