Harry would likely be the brave and impulsive one. He might be the first to jump into action when they face challenges during their time - traveling adventures. His role could also be to use his natural leadership skills to guide the group.
Hermione, as always, would be the brains of the operation. She'd be the one researching about the time - travel magic, making sure they don't break any crucial laws of time, and coming up with plans to deal with the various situations they encounter.
Ron would be the support and the comedic relief. He'd be there to back up Harry in dangerous situations and also to lighten the mood with his humorous remarks when the pressure of time - traveling gets too intense.
The main characters are Harry, Hermione, and Ron, of course. Harry is the Boy Who Lived, and his courage and determination play a big role in whatever they do in the past. Hermione with her vast knowledge of magic and history is able to figure out how to navigate the time - traveling situation. Ron provides the loyalty and humor, often being the one to break the tension in difficult situations.
The Golden Trio, namely Harry, Hermione, and Ron. Harry is the Boy Who Lived, so his presence in the past might attract unwanted attention. Hermione is the one who probably has a plan for everything. She'd be researching how to get back to their own time and also how to not mess up the past too much. Ron is there to support his friends. He might be the one who stumbles into some unexpected situations because of his more laid - back nature, but he always manages to pull through with the help of his friends.
Obviously, Harry, Hermione, and Ron are always popular since they are the Golden Trio. But other characters like Sirius Black often feature prominently. In time travel fanfictions, Sirius being alive in a different time period can add a lot of interesting dynamics. Dumbledore is also quite popular as his wisdom can play a crucial role in the altered timelines. And of course, Voldemort remains a central figure as the main antagonist that the Trio is trying to outwit in the different time periods.
Obviously, Harry, Hermione, and Ron are the main characters. Harry, the boy who lived, is often seen as the hero. Hermione, the brilliant witch, and Ron, the loyal friend. In this fanfiction about them dropping their masks, we'll likely see different aspects of their personalities that have been hidden before.
The main characters are likely to be Harry, Hermione, and Ron, who are known as the Golden Trio in the Harry Potter universe.
Well, Naruto would be the one to bring hope and his unique brand of optimism to the past. He could show the younger versions of characters how to be a better ninja. Sasuke, being the brooding and intelligent one, would analyze the situation of the past and figure out how to use their time - traveling advantage to the fullest. Sakura, she'd be a key player in both the medical and combat aspects. She could teach the past medics new techniques. And Kakashi, he's the experienced one. He'd be making sure the team doesn't make any rash decisions that could mess up the timeline further.
The golden trio, no doubt. Harry, who has to find his place in a world that has changed so much after the war. Ron, who might be exploring new career opportunities in the wizarding world. Hermione, who could be using her knowledge to bring about positive changes. And don't forget their families. The Weasleys, especially, would be an important part of their post - war lives as they are like a second family to Harry.
They might try to change certain events. For example, they could attempt to save Sirius earlier. Maybe they'd use their knowledge of future events to outwit Voldemort's plans more effectively in that time period.
Hermione would start by studying all the new things she could find. Ron would follow Harry's lead most of the time. Harry would use his instincts to figure out who to trust in this new future.
There's a fanfiction called 'First Year Redo'. In this story, the Golden Trio goes back to their first year and decides to focus on befriending some characters they didn't get to know well before. They also use their knowledge to prevent some small, but annoying things that happened in their first year from occurring again. It's a heartwarming story that shows how much they've grown since their first year at Hogwarts.