Soldiers on the front lines. They are the ones directly involved in the combat, facing the danger and making split - second decisions.
Diplomats and politicians. They play a crucial role in the background, trying to negotiate peace or manipulate events to their side's advantage. Their actions could either prevent or escalate the war.
Rebel leaders could be main characters in a World War 3 game story. They might be fighting against an oppressive regime that is part of one of the warring factions. These rebels could be from areas that have been marginalized or exploited. Another type of main character could be scientists. In a world at war, scientists could be working on developing new weapons, or they could be trying to find a way to end the war through some scientific breakthrough, like a new form of energy that could make the fight over resources obsolete.
The main character could be a young and inexperienced recruit. He starts off as a bit of a coward but through the experiences of the war, he grows into a brave and resourceful soldier. His journey from being a greenhorn to a hero can be a great focus in the war game story. For example, at first, he might be afraid of the sound of gunfire, but as the story progresses, he overcomes his fear and even leads a crucial mission.
The main characters are Talion and Celebrimbor. Talion is the ranger who is brought back to life in a way, and Celebrimbor is the spirit that is with him.
The main characters are Talion and Celebrimbor. Talion is a ranger who was killed but brought back as a wraith - like being. Celebrimbor is a powerful elven wraith who bonds with Talion. And of course, Sauron is also a major character as the main antagonist.
Shepard could be a main character. Given their experience in uniting different species and facing great threats, they would be a natural fit in a world war scenario. They could lead a coalition against a new enemy.
There could be a fearless warrior as a main character.
There could be a brave survivor as the main character, someone who has the skills to fend off threats.
The main characters in this story are Jaime Lannister on the Lannister side. He led the raid on Highgarden. And of course, Daenerys Targaryen on the other side. She was the one who decided to attack the Lannisters with her dragons during their return journey.
The main character is Kratos. He's a Spartan warrior with a troubled past. The Furies also play important roles as they are the ones sent to punish Kratos for breaking his blood oath.
Perhaps an older human man who has a lot of wisdom. He could be like a mentor to the younger human pets. He remembers the old world before they became pets and uses his knowledge and experience to guide the others in their fight for freedom, and also to help them preserve their humanity in this difficult situation.