In the Star Wars complete story, Yoda is extremely important. He is a wise and powerful Jedi Master who has a deep understanding of the Force. Obi - Wan Kenobi too. He trains Luke Skywalker and is a link between the old Jedi Order and the new generation. Han Solo is also significant. His skills as a pilot and his roguish charm add a lot to the story, especially in his relationship with Princess Leia and his role in the Rebel Alliance.
There are several important characters in the Star Wars complete story. Emperor Palpatine is a very important character as he is the mastermind behind the rise of the Empire. His devious plans and manipulation of events drive much of the story. Qui - Gon Jinn, although he dies early in the series, he is important as he discovers Anakin Skywalker and believes in his potential. Anakin himself is of course a central character, as his journey from a promising young Jedi to the feared Darth Vader and then his redemption is a long and complex arc that is at the heart of the Star Wars saga.
Luke Skywalker is extremely important. He's the main hero who starts his journey to become a Jedi. Darth Vader is also crucial as the main villain. And Princess Leia, she's a strong leader in the Rebel Alliance.
Darth Malgus is also a key figure. He is a fearsome Sith Lord known for his military conquests. He represents the aggressive and power - hungry nature of the Sith Empire, constantly pushing for more dominance over the Republic.
Definitely Rey, she's a central figure as she's trying to figure out her place in the galaxy and her connection to the Force. Luke Skywalker is crucial as he has a lot of knowledge about the Jedi ways and his actions influence the future. Kylo Ren too, his decisions and his inner struggle shape the story. Finn and Poe Dameron are important for the Resistance, with Finn's unique background as a stormtrooper and Poe's leadership in the air battles.
In the Star Wars Ahsoka story, Ahsoka Tano is central. Her relationship with Anakin Skywalker is crucial as he was her mentor. Then there are characters like Sabine Wren, a Mandalorian who teams up with Ahsoka. Ezra Bridger also matters a great deal as they are all connected in the fight against the Empire and other threats. Thrawn, a brilliant and dangerous adversary, is also a significant character that adds depth and conflict to Ahsoka's story.
Obi - Wan Kenobi is obviously the most important character. He is the central figure around which the story revolves. Darth Vader is also crucial as his nemesis. There are also some local characters on Tatooine like Owen Lars who play important roles in Kenobi's life during his exile.
The Mandalorian himself is of course very important. And then there's The Child (Baby Yoda), who is a central figure. Greef Karga, the leader of the Bounty Hunters' Guild, also plays a significant role. There are also Imperial characters like Moff Gideon who are important as antagonists.
Emperor Palpatine is crucial. He is the mastermind behind the Empire's rise. Darth Vader, his Sith apprentice, is also very important. He is a fearsome warrior. Grand Moff Tarkin is another significant character. He commands the Death Star.
Obviously, Ben himself is one of the most important characters. His growth and awakening are at the core of the story. Rey could also be very important as she might play a role in his awakening, either as a friend, a mentor, or just someone whose actions inspire him.
Anakin Skywalker is very important. He's the boy who could be the Chosen One. Then there are Qui - Gon Jinn and Obi - Wan Kenobi, the Jedi knights. Also, Darth Sidious as the main villain pulling the strings.
Definitely Anakin Skywalker. He's the one who goes through the most drastic change. Then there's Palpatine, the mastermind behind the Sith's plan. Obi - Wan Kenobi, who has to face his former apprentice. And Yoda, the wise Jedi Master who tries to counter the Sith's plot. Also, Padmé, whose love for Anakin is a key factor in the whole drama.