Oon-ai was a human male lieutenant who served the Galactic Empire during the Galactic Civil War. In the aftermath of the Battle of Yavin, he became the adjutant of Darth Vader.
Appearances[]
Darth Vader 2 (First appearance)- Darth Vader 3 (Indirectly mentioned only; in the opening crawl)
- Darth Vader 8 (Mentioned only)
Darth Vader 9 (Indirect mention only)