R2-D2 (phonetically spelled Artoo-Detoo, and called "R2" for short), is a fictional character in the Star Wars universe. An astromech droid, R2-D2 is a major character throughout all seven Star Wars films. Along with his droid companion C-3PO, he joins or supports Anakin Skywalker, Luke Skywalker, and Obi-Wan Kenobi in various points in the saga. R2-D2 was played by Kenny Baker.