Supervisor droids, also known as overseer droids, were a type of third-degree droid designed to oversee droid pools. The EV unit was a model of supervisor droid manufactured by MerenData. Doctor Gubacher and his team designed enhanced overseer droids to supervise the labor force which helped construct the Death Star.
- Catalyst: A Rogue One Novel (Mentioned only, as overseer droid)
- Star Wars: The Clone Wars – "The Citadel"
- Star Wars: The Clone Wars – "Counterattack" (Appears in flashback(s))
- Star Wars: The Clone Wars – "A Friend in Need"
- Star Wars: The Clone Wars – "The Soft War"
- Bounty Hunt
- Star Wars: The Original Trilogy – A Graphic Novel
- Star Wars Battlefront (DLC only)
- The Weapon of a Jedi: A Luke Skywalker Adventure
- The Weapon of a Jedi, Part 1
- Darth Vader 1: Vader
- Darth Vader 7: Shadows and Secrets, Part I
- Star Wars: Episode VI Return of the Jedi (First appearance)
- Return of the Jedi: Beware the Power of the Dark Side!
- Star Wars: Return of the Jedi
- Ultimate Star Wars (First identified as supervisor droid)
- Star Wars: Absolutely Everything You Need to Know
- Star Wars Character Encyclopedia: Updated and Expanded
- Star Wars: The Visual Encyclopedia