Ron Weasley may also play a significant role. His loyalty to Harry and his skills in magic, especially in areas like chess which can symbolize strategic thinking, could assist Harry in different situations. Also, his family, the Weasleys, with their large presence in the wizarding community, could provide support to Harry in his endeavors.
Obviously, Harry Potter is the central character as the title implies. He is the one who is taking control in the story.
Obviously, Harry Potter is a main character as the title implies. But usually, his friends like Hermione and Ron are also likely to be important. They would be there to support Harry in his new role of taking control.
Obviously, Harry Potter is the main character as it's about him taking control. Hermione Granger is likely to be an important character as well, she would probably be by Harry's side, offering her intelligence and support.
In addition to the trio, some fanfictions might focus more on the characters from Slytherin. Draco Malfoy could be a main character in a different light. Instead of being just a rival, he could be an anti - hero or even an ally to Harry. There could also be new original characters created by the fanfiction author that play important roles in the story.
It really depends on the specific fanfiction. It could still be Harry, Hermione, and Ron if the writer wants to stay close to the original characters. They might be the ones to discover the chaos control element.
Obviously, Harry would be the main character. He is the one taking control of his life. Hermione and Ron would most likely be important characters too as they are Harry's closest friends and would be involved in his journey. Dumbledore could also play a role, perhaps as a mentor figure that Harry starts to question and break away from as he takes more control.
One great 'Harry Potter Takes Control' fanfiction is 'The Power Within Harry' which shows Harry taking control of his destiny in a unique way. It has him making decisions that are different from the original story, like taking charge of his magical training earlier.
Obviously, Sirius Black is the main character. But there could also be other characters like Harry Potter, as Sirius has a strong connection to him. His friends from Hogwarts days might also make an appearance, such as James Potter in flashbacks.
I think Harry Potter would be the central character. But Hermione Granger could also be a major character. She is very intelligent and would likely be helping Harry study for the MCAT. Also, Ron Weasley could be in it, providing some comic relief during Harry's stressful MCAT preparation. And maybe Dumbledore could make an appearance, giving Harry some wise advice about this Muggle academic endeavor.
Obviously, Harry Potter is one of the main characters as the title suggests. There might also be characters like Hermione and Ron, his best friends, who would likely be involved in his journey with this new lordship. And perhaps some other characters from the original Harry Potter series like Dumbledore (if it's set in that time frame) or other members of the wizarding community who have an interest in this new development in Harry's life.
Obviously, Harry Potter himself would be the main character. Since it's about him taking Newts early, he would be at the center of the story. Hermione might also play a significant role as she often helps Harry with his studies and could be guiding him through the early Newt preparations.