In Star Wars, the robot name C-3PO doesn't stand for anything, though there are unsubstantiated reports that the name was inspired by a landmark in George Lucas' or Steven Spielberg's hometown. C-3PO is a protocol droid specifically designed to interact with organics.
The acronym R2D2 stands for Reel 2 Dialogue 2. It was an editor's code for cans of film on the film American Graffitti, from which George Lucas got the name for the Star Wars robot.
C-3PO was inducted into the Robot Hall of Fame in 2004, joining R2-D2, which had been inducted the previous year.
In latest buzz, Star Wars enjoyed a fantastic comeback last year with the release of Episode VII: The Force Awakens and the enormous response it generated, but this December’s release of Star Wars: Rogue One will prove the real test for how much Star Wars audiences can handle or even want.
The future of the franchise promises a new Star Wars film every year, and Rogue One is the first of them to depart from the saga’s traditionally episodic nature. Read more at Screenrant.com.