There's also the 'Ripley' character from the Alien series. Since she has so much experience dealing with Aliens, she can be a really interesting addition to a crossover fanfiction. She could potentially team up with a Predator to take on the Alien threat in a new and different way.
In alien x predator fanfiction, the Predator is a top - pick character. There are different types of Predators with their unique looks and skills, which gives writers a lot of room for creativity. For example, the Berserker Predator with his more aggressive style. The Xenomorphs as a whole are also popular, but the Alien drones are often focused on. They are the foot soldiers of the alien horde and can be used to create intense battle scenes. Additionally, there are some recurring human characters. There's the rogue adventurer type who is always getting into trouble and the military leader who has to make tough decisions when dealing with the alien and predator threats.
The Alien Queen is quite interesting. She is the leader of the Aliens and has great power. Also, the Predator leader in the story, with his unique armor and hunting strategies. And of course, the T - 800 Terminator. Its cold and relentless pursuit is always fascinating.
The Sunflower is often a popular choice. It's such an iconic plant in the game, and its ability to produce sun can be used in really creative ways in a crossover fanfic. For example, it could power up some kind of special zombie - plant hybrid machine.
John Koenig is often a popular choice. His leadership skills and complex character make him a great fit for crossovers. He can interact with other strong leaders from different sci - fi shows and create interesting power struggles or alliances.
Monika is often a popular choice. Her strong - willed and somewhat controlling nature can make for interesting crossovers. She can be the one who tries to manipulate the new world or characters she's crossed into. Sayori is also popular. Her bubbly and at times sad nature can add a lot of emotional depth to crossovers, especially in more light - hearted or heart - wrenching scenarios.
Loki is often a popular choice. His ability to deceive and his stealth capabilities can create really interesting plotlines in crossovers. For example, if crossed over with a detective - themed universe, Loki could be the elusive criminal that the detective characters are trying to catch, using his Warframe skills to outwit them.
Ikaris is often a popular choice. His flight and laser - eye powers make him a formidable character in crossovers. He can easily be paired with other flying superheroes or those who can withstand his powerful attacks. Sersi is also popular. Her ability to transmute matter gives her a unique edge, and she can be interestingly paired with characters who have different elemental powers.
Spyro is always a popular choice. He's one of the most well - known Skylanders and has a rich backstory that can be easily incorporated into crossovers. For example, he could be the leader of a group of Skylanders from different areas coming together.
Krawk is a popular character. It has a cool and somewhat menacing appearance which can add an interesting dynamic in crossovers. Another is the Shoyru. It's dragon - like and can bring a sense of magic and power. The Lupe is also often used. It has a wolf - like appearance and can be portrayed as a fierce and loyal character in crossovers.
Master Chief is definitely one of the most popular. He's the face of the Halo series, so fans love to see him in crossovers. Cortana is also a popular choice. Her complex character and her relationship with Master Chief make for interesting crossovers. The Arbiter is another character that often features. His unique backstory and his role in the Halo universe can add a lot to a crossover story.