Princess Leia Organa is a fictional character and one of the main characters in the Star Wars franchise, portrayed by Carrie Fisher. Introduced in the original Star Wars film in 1977, Leia is princess of the planet Alderaan, a member of the Imperial Senate and an agent of the Rebel Alliance. She thwarts the sinister Sith Lord Darth Vader and helps bring about the destruction of the Empire's cataclysmic superweapon, the Death Star. In The Empire Strikes Back (1980), Leia commands a Rebel base and evades Vader as she falls in love with the smuggler Han Solo. In Return of the Jedi (1983), Leia helps in the operation to rescue Han from the crime lord Jabba the Hutt and is revealed to be Vader's daughter and the twin sister of Luke Skywalker.

The evil Galactic Empire, otherwise known as the Galactic Empire or simply as the Empire, is a fictional autocracy featured in the Star Wars franchise. It was first introduced in the 1977 film Star Wars and appears in its two sequels: The Empire Strikes Back (1980) and Return of the Jedi (1983). It is the main antagonistic faction of the original trilogy. An oppressive, autocratic regime with a complicated bureaucracy, the Galactic Empire seeks to ensure singular rule and social control over every planet and civilization within the galaxy.