S4, also known as Essfour, was an R5 series astromech droid[1] that served the Alliance to Restore the Republic during the Galactic Civil War. He was assigned to Luke Skywalker, following R2-D2's mission to rescue a captured C-3PO.[3]
Appearances[]
- Star Wars (2015) 26 (First appearance)
- Star Wars (2015) 28 (Mentioned only)
- Star Wars (2015) 29
- Star Wars (2015) 30
- The Screaming Citadel 1
- Star Wars (2015) 31
- Doctor Aphra (2016) 7
- Doctor Aphra (2016) 8 (Mentioned only)
Sources[]
Star Wars: Build Your Own X-Wing 62 (Starfighter Aces: R2-D2 – Going Solo) (Indirect mention only)
Notes and references[]
In other languages