In 'As Worlds Collide Novel', there could be a scientist as one of the main characters. Scientists are often involved in stories like this as they try to understand the phenomenon of the colliding worlds. There might also be a leader from one of the worlds, someone who has to make difficult decisions to protect their people during this cataclysmic event. And perhaps a wanderer, someone who has no real home in either world and is trying to find a place in the new reality.
There's no way to know for sure without reading the actual story. However, we can assume that there are characters who are affected the most by the worlds colliding. It could be a group of misfits from different worlds who are brought together by fate. One might be a magical creature with the ability to communicate with the elements, another a human with a special gift for seeing the truth. Together, they might be on a quest to save the Land of Stories from destruction as a result of the world collision.
Most likely, the main characters would be the Avengers we all know, like Iron Man, Captain America, Thor, etc. But since it's about two worlds colliding, there could also be new versions of these characters from the other world.
The main theme could be about the collision of different worlds, perhaps representing different cultures, ideologies or even different dimensions. It might explore how characters deal with the chaos and change that comes with such a collision.
The novel is known for its intense and suspenseful plot. It has vivid descriptions of the impending catastrophe and the characters' struggles to survive.
One of the main characters is the unnamed narrator. He witnesses the Martian invasion first - hand and tells the story. There are also the Martians themselves, who are the antagonists. They are the ones causing all the chaos and destruction on Earth.
I'm not sure as I haven't read the 'floating worlds novel' specifically. But typically, in a novel like this, there could be an adventurous protagonist who is eager to explore the floating worlds.
I don't know for sure, as I haven't read it. But usually there are brave heroes or heroines in this kind of graphic novel.
I don't know the specific characters in this novel as I haven't read it. It could be a young adventurer who is the key to the connection between the worlds.
As I don't know the exact 'walker of worlds novel', it's hard to say. But it's likely that the main character is the 'walker of worlds' themselves. There might also be side characters like a guide in one of the worlds they visit, or an enemy who tries to stop them from traveling between worlds.
The narrator is a key character. He is an ordinary man who is suddenly thrust into this extraordinary situation of a Martian invasion. There are also some unnamed people that he encounters during the invasion. And the Martians, with their tripods and heat - rays, are the main antagonists. They drive the whole plot forward with their actions of attacking and trying to conquer Earth.