The crossword solution for the term 'ARTOO-___ OF 'STAR WARS'' is 'DETOO', a five letter word. Detoo, also known as R2-D2, is a droid character from the Star Wars franchise. He is a loyal companion to Anakin Skywalker and later Luke Skywalker, and is an important part of the Rebel Alliance. He is a small, resourceful astromech droid who is always ready to help his friends in their adventures.