A mysterious figure who seems to know a lot about the apprentice's future could be a main character. This figure could be guiding the apprentice from the shadows or trying to manipulate them for their own purposes. The apprentice would then have to figure out whether this figure is a friend or a foe, adding an element of mystery to the story.
The apprentice's best friend or a fellow apprentice could be a main character. They might have different views on the use of the Force and this could create tension and interesting storylines. Also, a character from an alien species that the apprentice meets during their adventures could be a main character. This alien could introduce the apprentice to new cultures and ways of using the Force.
Obviously, the apprentice themselves would be a main character. They could be a young and ambitious force - user, eager to learn from their master. The master, who is likely a powerful Sith or Jedi, depending on the nature of the fanfiction, would also be a key character. And then there could be a rival apprentice or a mentor figure from the apprentice's past that plays a significant role.
Qui - Gon Jinn is one of the main characters. He is the master. And his apprentice, Obi - Wan Kenobi, is also a major character. Their relationship and their adventures form a large part of the story.
I'm not entirely sure, but it's likely to be a Jedi master and their apprentice.
An old Clone Wars veteran, either a clone or a non - Jedi military figure, could be the main character. They have seen the destruction of Order 66 and now suspect there is more to the story with Order 67. Their knowledge of the past wars and military strategies would be useful in uncovering the truth.
The main characters could be a group of bounty hunters. They get hired to investigate the origin of Order 69, thinking it might lead to a big payday. As they dig deeper, they find themselves in the middle of a galactic conspiracy. There could also be a Sith apprentice who is using the chaos caused by the order to rise in power within the Sith hierarchy.
Even Boba Fett could be a main character. He's used to dealing with dangerous situations. In a zombie - infested Star Wars world, he could be hired to retrieve something from a zombie - filled area. He'd use his weapons and his bounty hunter skills to survive the hordes of undead while also facing other threats in the galaxy.
They could be the children of Luke Skywalker. Maybe he had triplets in secret, and they inherit his strong connection to the Force. Each of them could have different personalities, like one being very brave and impulsive, one being more cautious and intellectual, and the other being empathetic and diplomatic.
The main characters could be a group of brave Rebel soldiers. They might be captured during a crucial mission and are about to be executed by the Empire's firing squad. Their leader, a seasoned veteran with a heart of gold, could be the central figure, trying to keep the morale of his comrades high even in the face of death.
The clone troopers are obvious main characters. They have a lot of potential for character development. Then there are the Kaminoans, who are in charge of the cloning process. A fanfiction could also feature a young, newly - created clone who is different from the others and tries to find his place in the galaxy. Additionally, a Sith Lord could be a main character if the story is about infiltrating Kamino for some dark purpose.
One main character could be a droid technician working for the Empire. They might be involved in creating new and more powerful droids for the Imperial military. A Twi'lek slave who has been forced to serve in an Imperial household could also be a main character. This character could be plotting their escape while also learning secrets about the Empire's inner workings. Additionally, a Mandalorian who has made a deal with the Empire to gain certain resources or advantages. But as time passes, they realize the true cost of serving the Empire.
A young Earthling who is discovered to be extremely Force - sensitive could be a main character. He or she could be mentored by an old Jedi master and go on a journey to learn about the Force and their place in the Star Wars universe.