R2-D2

R2-D2 (simply known as R2)is a major protagonist in the Star Wars franchise. He is an R2 series astromech droid, serving as C-3PO's counterpart. Throughout the course of the films, he joins or supports Padmé Amidala, Anakin Skywalker, Princess Leia Organa, Luke Skywalker, and Obi-Wan Kenobi in various points in the saga