Setsuna F. Seiei is also often featured. His connection to the Gundam 00 universe and his strong beliefs could be interesting in a time - travel context. He might travel through time to spread his ideals across different Gundam timelines. And then there's Kira Yamato. His ability to understand and adapt to new situations quickly would be useful in a time - travel scenario. He could also use his Newtype powers in unique ways during time - traveling escapades.
In Gundam time travel fanfiction, Heero Yuy can be a great character to feature. He's a highly skilled and determined pilot. His no - nonsense attitude would be interesting when faced with the chaos of time travel. Also, Lacus Clyne could be a part of such stories. Her influence and diplomatic skills could play a role in different timelines that the story might explore. Plus, her relationship with Kira could add an emotional depth to the time - travel plot.
Amuro Ray is a very popular choice. He's such an iconic Gundam character. His skills as a pilot and his complex personality make him a great fit for time - travel adventures. He could use his knowledge from different timelines to change the fate of the Gundam universe. Another one is Char Aznable. His charisma and his long - standing rivalry with Amuro can add a lot of drama to a time - travel story.
Sei Iori is also a top choice. His passion for building Gundam models and his growth as a builder and fighter throughout the series gives a lot of material for fanfiction. Writers can put him in different challenging situations to test his skills.
The Lone Wanderer is quite popular. Their heroic deeds in the main Fallout games make them a prime candidate for time - traveling adventures. Also, Courier Six. Their mysterious background and skills could be explored in time - travel scenarios.
Jotaro Kujo is quite popular. His strong and stoic personality makes for interesting interactions in different time periods. Dio Brando is also a common choice. His villainous nature and powerful Stand, The World, can create a lot of chaos when time - travel is involved. And then there's Jonathan Joestar. His noble character can be a great contrast to the more modern and complex characters when he's brought into different timelines through time travel.
Zero Kiryu himself is often a central character. Since it's his name in the title, fans love to write about his adventures through time. He can be portrayed as a hero trying to fix things in the past or future. Another popular character is his closest ally. In many fanfictions, this ally might accompany him on his time - traveling journeys and provide support or different perspectives. And often, the main antagonist from the original story also makes an appearance. Writers like to explore how the antagonist would react to time - traveling events and how Zero Kiryu would deal with them in different time periods.
Well, Sonic is the main character in most Sonic the Hedgehog time travel fanfictions. He's the face of the franchise and his adventures through time are what drive the story. Knuckles is popular as he has a connection to the past through his role as the guardian of the Master Emerald. His knowledge of ancient things can be very useful when Sonic travels back in time. Rouge is also a character that features often. Her thieving skills and her ability to gather information can be handy in different time - based scenarios. And then there's Metal Sonic. He can be an interesting addition as he might be sent through time by Dr. Eggman to cause trouble for Sonic, or he could be a part of some time - warped experiment gone wrong.
Bran Stark is a popular choice too. Since he has the power of the Three - Eyed Raven, time travel can be related to his abilities. Fanfictions might have him traveling through time to gain more knowledge or to influence events in a more direct way. Jaime Lannister also features often. His character arc can be completely transformed through time travel, for example, going back to redo his actions as the Kingslayer or forward to see if he can redeem himself in a new Westeros.
George Washington is a very popular character. His leadership and moral character make him an interesting figure to put in a time - travel scenario. Benjamin Franklin is also popular. His scientific mind and worldly wisdom can create great storylines when he's thrust into a different time. Thomas Jefferson is another one, especially considering his complex views on various issues which can be explored in a new context when he time - travels.
Luke Skywalker is often a popular choice. His journey as a Jedi makes him a prime candidate for time - traveling adventures. He could go back in time to learn from the ancient Jedi or try to fix his own mistakes. Darth Vader is also popular. The idea of him getting a second chance at redemption through time travel, or perhaps going back to a time before he turned to the dark side, is very appealing to many fans.
Jon Snow is often a popular choice. His mysterious parentage and his role in the story make him an interesting character to time - travel. People like to explore how his knowledge of future events could change his actions and the fate of the Seven Kingdoms. Daenerys Targaryen is also popular. Her journey to claim the Iron Throne could be drastically altered with time travel knowledge.
I think Rin is quite popular in Fate Stay Night time travel fanfiction. Her magical abilities and her relationship with other characters can be explored in new ways through time travel. Another popular character is Illya. Her unique backstory and connection to the Grail can be greatly enhanced with time - travel plots. Also, Gilgamesh is a favorite. His over - the - top personality and his ancient knowledge can create really interesting scenarios when combined with time travel.