Shepard is often a central character in Mass Effect harem fanfiction. Given their role as a hero in the main games, it's easy to imagine them in a harem situation. Liara is also very popular. Her connection with Shepard in the original story and her asari abilities make her an interesting addition to any harem. Garrus is another one. His loyalty and unique turian characteristics can add a lot to the harem dynamic.
Aria T'Loak is often included in Mass Effect harem fanfiction. She is a powerful and influential character in Omega. Her leadership and the mystery surrounding her make her an appealing addition to a harem. Also, Thane Krios can be part of it. His assassin skills and his spiritual side can provide a contrast in the harem, especially when combined with other more brash characters.
Shepard is a very common character to be at the center of a human harem in fanfiction. Given their heroic status and the fact that they interact with so many different species, it's easy to imagine a harem forming around them.
Amy Rose is often included. She has a long - standing crush on Sonic, so she's a natural fit for the harem concept. Tails might also be included in some more unique takes on the harem, perhaps in a platonic way where he's part of Sonic's support group within the harem. Cream the Rabbit could also be a character in sonic harem fanfiction, adding a cute and innocent element to the harem.
Garrus Vakarian might also be a common character. His relationship with Tali in the original games means that in a crossover, their dynamic can be explored further. He could be involved in protecting Tali or working with her in a new situation that the crossover creates.
Naruto himself can be considered as well. His Uzumaki bloodline is very powerful. In a harem fanfiction, his presence can attract characters with different bloodlines. His own journey and growth can also be intertwined with the exploration of the harem members' bloodlines and their relationships.
Sasuke is often included. In the genderbend concept, his relationship with the female Naruto can be a central focus. He might be the brooding, mysterious type who is drawn to the female Naruto's unique charm. Kakashi is also popular. His cool and collected demeanor might add an interesting dynamic to the harem, perhaps as a mentor - like figure who also has some underlying romantic feelings.
Rand al'Thor is often included. He's a central character in the Wheel of Time series, and in harem fanfiction, his complex personality and important role in the story make him an ideal candidate for a harem. His power and the destiny he's fated to fulfill can create interesting relationships with other characters in a harem setting.
Shadow the Hedgehog is a popular addition to sonic the hedgehog harem fanfiction. His brooding and powerful nature can create some intense storylines within the harem. Silver the Hedgehog can also be part of it. His time - traveling abilities and his somewhat naive view of Sonic's world can lead to some engaging plotlines. Additionally, Omega, the robot, might be included in some fanfictions, usually as a protector or an interesting foil to the other characters in the harem.
Hinata is often included. Her long - standing feelings for Naruto make her a natural fit in a harem scenario. Sakura might also be there, as she is one of the main female characters in the original Naruto series. In addition, characters like Tenten could be included, as they interact with Naruto throughout the series and could potentially be part of his harem in fanfiction.
Kait Diaz is a popular character in Gears of War harem fanfiction. Given her combat skills and her complex backstory, she can be a central figure in a harem. Another one could be Delmont Walker. His more laid - back personality can contrast with the others and create interesting interactions within the harem.
Anakin Skywalker is often included. His complex character and his status as a powerful Jedi make him an interesting addition to a harem scenario. Ahsoka Tano might also be popular as she has a strong personality and a connection to Anakin. Clone troopers like Rex could also be part of it, as they are fan - favorites and their loyalty and military skills can add an interesting dynamic to the harem story.