C-3PO is a humanoid robot, or droid, from the Star Wars universe, created by the character Anakin Skywalker. He is designed for etiquette and protocol, specializing in translation and communication, fluent in over six million forms of speech. C-3PO is known for his shiny gold plating and his often anxious personality. Throughout the Star Wars saga, C-3PO serves alongside his counterpart, R2-D2, providing assistance to various characters, including Luke Skywalker and Princess Leia. His primary role is to facilitate interactions between different species and cultures, often adding a humorous touch to the story.