Well, Daenerys Targaryen is often a popular choice. Her dragons and her journey of reclaiming the Iron Throne can be easily adapted into crossovers. For example, if she were to cross into a world full of magic - users, how would she use her power? Also, Jaime Lannister is quite popular. His character arc from a seemingly villainous knight to a more complex figure can be explored in different settings. In a crossover with a historical setting, his knightly skills and code of honor (or lack thereof at times) would be very interesting to play with.
Among the most popular characters in crossover Game of Thrones fanfiction are the Hound. His rough exterior and somewhat morally ambiguous nature can create great stories when combined with other characters from different universes. For instance, if he were in a world where there is a strict law - enforcement system, how would he react? And Bran Stark is also popular. His warging ability and his knowledge of the past and future can add a unique element to crossovers, like if he were in a time - travel related crossover story.
Daenerys Targaryen is often a popular choice. Since she had a strong connection with the Dothraki in the original series, fanfiction can explore more of her relationship with them. For example, stories could focus on her early days with the Dothraki and how she really won them over, beyond what was shown in the show.
Jon Snow is often a popular choice. His noble and brooding nature makes for interesting reactions in fanfiction. Fans like to imagine how he'd respond to various out - of - character situations.
Ainz Ooal Gown is often a popular choice. His overpowered nature and complex personality make him a great character to transplant into other game worlds. He can bring his vast magical knowledge and strategic thinking to new settings, which can lead to some epic crossovers.
The Mandalorian himself is quite popular. His cool armor, mysterious past, and bad - ass fighting skills make him an interesting addition to the Game of Thrones universe. He can interact with the different houses and factions in unique ways.
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.
Cersei Lannister could also be a popular choice. Her cunning and thirst for power in Game of Thrones could be enhanced in the Overlord fanfiction world. She could use her wits and the resources of the Lannisters to become a powerful Overlord - like figure, perhaps even making deals with the dark forces often associated with the Overlord concept.
Daenerys Targaryen is quite popular. Her character had a complex arc in the series, especially in the final season, and many fanfic writers like to explore different paths for her. They might write about what could have happened if she had made different choices during her conquest of Westeros.
Definitely Jon Snow. His mysterious parentage and his role as a hero make him a popular choice. Daenerys Targaryen is also very popular. Her journey from an exiled princess to a powerful queen gives a lot of material for fanfic writers. Arya Stark is another favorite. Her badass skills and her quest for revenge are really interesting to explore in fanfic.
Definitely the Dragonborn and Daenerys. As mentioned before, they both have a dragon - related aspect. Their personalities are also quite strong. The Dragonborn is a hero with great power and Daenerys is a powerful queen. Their meeting would be a clash of two strong - willed leaders.
In such fanfics, Harry Potter himself is often a popular choice. His skills and heroic nature make him an interesting addition to the 'Game of Thrones' world. Daenerys Targaryen is also commonly used. Her quest for the Iron Throne and her dragons can create some really exciting crossovers with the magic of 'Harry Potter'. Another popular character is Tyrion Lannister. His intelligence and ability to outwit others can be a great asset in a story that combines the two universes. For example, he could team up with Hermione to solve some complex political or magical problems.