Ahsoka Tano is quite popular too. Her story spans different parts of the Star Wars timeline, so in time travel fanfiction, she can be sent to different eras to interact with other characters. For example, she could be sent back to the Clone Wars era and change certain events that had a big impact on the future. Her unique character and connection to Anakin Skywalker also make for great time - travel storylines.
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.
In Star Wars fanfiction, Han Solo is often featured. His roguish charm and his relationships with other characters like Chewbacca and Leia are interesting to explore. In Star Trek, Captain Picard is a popular character. His diplomatic approach and his moral compass make him a great character for fan - created stories. Also, Seven of Nine from Star Trek: Voyager is a popular choice because of her unique backstory and her journey of reintegrating into society.
Luke Skywalker is also quite popular. His journey from a farm boy to a Jedi knight can be adapted into a story where he somehow gets involved in the For Honor universe. Maybe he uses his Jedi skills to train some of the warriors in For Honor to be more honorable in combat.
Q from Star Trek is also a favorite in crossovers. His omnipotent and mischievous nature can create all kinds of chaos in the Star Wars universe. He could play tricks on the Jedi Council or have a face - off with the Emperor. And Yoda is another one. His small stature but great wisdom can be a source of inspiration or confusion for Star Trek characters who might not be used to such a unique form of wisdom.
One of the most popular characters to feature in such fanfics is Yoda. His immense power and wisdom, along with his unique way of speaking, can create some really interesting stories. Additionally, Padmé Amidala can be a great character to include. Her relationship with Anakin and her political influence in the Republic can be explored in many ways. Then there are the clone troopers in general. Each clone has his own personality, and writing about their experiences during the Clone Wars can be very engaging.
Definitely Iron Man. His technological genius makes for an interesting contrast with the more 'Force - based' technology in Star Wars. Another popular one is Darth Vader. His imposing presence and dark powers can create some really intense storylines when paired with the Avengers. And of course, Luke Skywalker. He's the classic hero of Star Wars, and seeing him interact with the Avengers is always a fan favorite.
Ezra Bridger is definitely a popular choice. His journey as a Jedi and his role in the Rebellion make him a fascinating character to explore further. Writers can delve into his possible future adventures or what he might be doing in the Force after his disappearance.
Jon Snow is very much a favorite in asoiaf time travel fanfiction. Given his complex backstory and his role in the fight against the Others, fans often write about him traveling back in time to change certain events. Arya Stark is also popular. Her skills as an assassin could be put to different uses in different time periods. For example, she could go back in time to protect her family members from harm.
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.