Stacchati

The Stacchati were a sentient species. The CZ-series Secretary droids CZ-1 and CZ-3 once served members of the species, and were modified from standard models to more closely resemble their masters including alterations to their photoreceptors to make give them a similar appearance to Stacchati eyes. After a crash on the planet Tatooine some time prior to 0 BBY, the two droids were abandoned.

Behind the scenes
The Stacchati were first mentioned in the 2018 reference book Star Wars: The Complete Visual Dictionary, New Edition. They originated from Star Wars Legends, where they were first mentioned in the Star Wars: The Visual Dictionary reference book written by David West Reynolds and released in 1998.