C-3PO is a fictional character from the Star Wars franchise, created by George Lucas. He is a protocol droid fluent in over six million forms of communication, designed to assist with etiquette and translation. C-3PO is known for his shiny golden exterior and his often anxious personality. C-3PO frequently appears alongside his counterpart, R2-D2, a resourceful astromech droid. Together, they play significant roles in the Star Wars saga, providing comic relief and aiding the main characters in their adventures. C-3PO's character highlights themes of friendship and loyalty throughout the series.