R2D2 is a fictional robot character from the Star Wars franchise, created by George Lucas. This astromech droid is known for its distinctive dome-shaped head and blue-and-white exterior. R2D2 plays a crucial role in the series, assisting various characters, including Luke Skywalker and Princess Leia, with its technical skills and problem-solving abilities. R2D2 is equipped with various tools and features, such as a retractable arm, a holographic projector, and a computer interface. The character is beloved for its bravery and loyalty, often saving the day in critical situations. R2D2 has appeared in all main Star Wars films and is a cultural icon.