As I'm not familiar with 'the tower short story', it's hard to determine the main characters. But in a story with a tower as the central focus, there could be a character who is in charge of maintaining the tower, like a caretaker. There might also be a group of travelers who stumble upon the tower during their journey and have different reactions to it. One of them could be a leader figure who decides what they should do about the tower, whether to explore it or avoid it.
In the 'Tower of Babel' short story, the primary characters are the humans attempting to build the tower. Since it's more about the human race's attempt and God's reaction to it, we don't really have specific named characters in the traditional sense. It's really about the group of people, their united effort, and then God who plays a crucial role by confounding their languages and scattering them.
Since there are multiple 'dark tower short stories', the main characters can vary widely. In some, it could be the Man in Black, who is an important figure in the Dark Tower universe. He is mysterious and his actions often drive the plot. Another possibility is that a new character is introduced in the short story who becomes the main focus. This new character could be related to the events or characters in the main series in some way, for example, a descendant of a character from the main novels or someone who has a special connection to the Dark Tower itself.
As I'm not familiar with the 'the glass tower short story', I can only guess. There could be a young artist who is inspired by the glass tower and uses it as a subject for his or her work. There might also be a security guard who plays an important role in protecting the tower and uncovers some secrets. And perhaps there's a local resident who has a special connection to the tower and gets involved in the events that unfold around it.
Roland is often a main character. He's the gunslinger on his quest for the Dark Tower.
Susannah is another main character. She has unique abilities and her own backstory that is likely explored in the short stories. Her relationship with Roland and the others is complex, and the short stories might show different aspects of how they interact and depend on each other.
The main character in Tower of Fantasy's main story is the Wanderer. The Wanderer is the player - controlled character who embarks on this grand adventure. Another important character is Shirli. She is often by the Wanderer's side, providing support and being involved in many of the story's events. Then there's Zeke. He has his own goals and motives and his actions often cross paths with the main character's journey.
The main characters in the 'Tower of Time Story' could be diverse. Maybe there's a hero with a special ability related to time perception. This hero might be joined by a group of misfits, each with their own skills. For example, one could be a skilled locksmith who can open the ancient locks in the tower, another a healer to deal with the perils they face. There could also be a shadowy figure who seems to be opposing their progress, adding an element of conflict to the story as they all interact within the context of the Tower of Time.
The main character is Roland Deschain, the last gunslinger. Another important character is the Man in Black. Jake Chambers also plays a significant role. There's also Eddie Dean and Susannah Dean who are part of Roland's journey.
The main characters in the 'dark tower' story are diverse. Roland Deschain is the lead, a gunslinger with a complex past. Jake Chambers, a boy from our world, gets drawn into Roland's world. Eddie Dean, who comes from a difficult background, brings his own set of skills and personality. Susannah Dean, a woman of great courage, rounds out the group. These characters interact, grow, and face challenges together as they make their way towards the Dark Tower.
In 'the tower novel', the main characters could be diverse. There could be a protagonist who has a personal vendetta against the tower or what it stands for, perhaps because of something that happened to their family in the past. There could also be a sidekick character who is always there to support the main character, and an antagonist who wants to use the tower for evil purposes and is constantly trying to stop the protagonists from achieving their goals related to the tower.