Obviously, Harry Potter himself is very common. He has a strong connection to the story's main events, so it makes sense for him to be involved in time - travel scenarios. Hermione Granger is also often included. Her intelligence and knowledge of magic, especially time - related spells like the Time - Turner, make her a key figure. Ron Weasley usually tags along as well, being Harry's best friend and part of the main trio.
Dumbledore is another character that shows up frequently. His vast wisdom and power make him an interesting addition to time - travel stories. He could be guiding the younger characters or have his own motives for time travel. Sirius Black is also popular in these fanfictions. Fans often want to see him saved from his fate through time - travel interventions. Additionally, characters like Luna Lovegood might be involved, adding her unique perspective to the time - travel adventures.
Voldemort is often a key character in such fanfictions. His dark nature and thirst for power can easily lead to situations of carnage. He might be leading his Death Eaters in attacks on Hogwarts or the wizarding community at large.
Harry Potter himself is often a central character in such fanfiction. Since he's the main character in the original series, many fanfic authors like to explore how he deals with new or different curses. Hermione Granger is also common as she's very knowledgeable about magic, so she might be involved in researching curses or finding ways to break them.
In Yugioh 5ds time travel fanfiction, Yusei Fudo is a very common character to be involved in time travel. He is the hero of the story and has a strong will to protect his friends and the city. His connection to the Signer Dragons also gives him a special role in any time - related events. Another one is Akiza Izinski. Her psychic powers could potentially be related to time travel in some fan concepts. Also, she has a complex backstory and emotions that could be explored through time - traveling scenarios. And of course, Bruno, with his mysterious origin and knowledge, is likely to be involved in time travel plots as he might hold the keys to understanding the time - space continuum in the Yugioh 5ds universe.
Time - turners are important in time travel in the Harry Potter universe, and so the characters associated with them could be involved. For example, Hermione, who was given a Time - Turner in the original story. But also, characters like Fred and George Weasley could be interesting inclusions. They are creative and mischievous, and they might come up with unique ways to use time travel to fix things. Maybe they could use their Weasley's Wizard Wheezes products in conjunction with time travel to make things right.
The members of the Black Organization also show up frequently in time travel fanfictions. Their presence in a time - travel scenario can really spice things up. For example, if they were to find out about time travel, they could use it to their advantage to cover their tracks or even change the past to ensure their continued existence and power. It creates a lot of interesting plot twists and power struggles.
Harry Potter himself is very common. Given his connection to the Deathly Hallows, it makes sense that he would be involved in stories about the Resurrection Stone. Hermione Granger is also often included, as her intelligence could be used to figure out the secrets or consequences of the Stone. Ron Weasley might be there too, providing support and his own brand of humor. Dumbledore also frequently shows up, either as a guiding figure or as someone whose past actions related to the Stone are explored further.
Another set of characters could be Harry, Ginny, and Luna. Harry has a relationship with Ginny in the original series, but Luna's unique personality and her connection with Harry in some parts of the story can be explored in a love triangle scenario in fanfiction.
Harry Potter himself is often a central character in these fanfictions. His journey through time to fix things or gain more knowledge is a common plot. Hermione is also popular as she's the brains and could potentially figure out the complex mechanics of time travel. Another popular character is Draco Malfoy. Writers like to explore his character in different scenarios, especially if time travel allows him to have a different relationship with the other characters.
Harry Potter himself is often a main character. He might use the time travel necklace to gain more knowledge about his parents or to find a way to defeat Voldemort more effectively.
Ron Weasley can also be a main character in such fanfiction. His loyalty to Harry and his own experiences in the original story can add depth to the time - travel redo plot. He could be the one to provide emotional support or come up with unexpected solutions during the time - travel adventures, even if he may not be as well - versed in the technicalities of magic as Hermione.