Artoo, also known as R2-D2, is a fictional character from the Star Wars franchise. He is an astromech droid, a type of robot that is used for various tasks such as navigation and repairs. His counterpart is Detoo, or R2-D2's counterpart C-3PO. BEEPS is the sound that Artoo makes, which is a series of BEEPS and whistles. DROIDS are robots that are programmed to perform specific tasks. Artoo is a beloved character in the Star Wars universe and is an iconic symbol of the franchise.