Well, given the name, the Supreme Kai of Time is surely one of the main characters. There might also be other characters related to the concept of time in Dragon Ball, like Chronoa, who could potentially be involved. And perhaps some of the more common Dragon Ball characters like Goku or Beerus might make an appearance if the story is set within the main Dragon Ball universe and the events of the 'cannon' somehow impact the broader world of Dragon Ball.
The Supreme Kai of Time is the most obvious main character from the title. However, it's possible that other Kais or even villains could be main characters too. Maybe there's a new villain who is after the power of the 'cannon' in the story. And it wouldn't be surprising if some of the Z - Fighters, such as Piccolo or Trunks, got involved as they often do when there's a threat to the Dragon Ball universe. Without more information, it's all speculation, but these are the types of characters that could be involved based on what we know from the Dragon Ball franchise.
I'm not entirely sure as it's not a very common or well - known official Dragon Ball story. It might be a fan - made or very niche concept. Maybe it involves the Supreme Kai of Time in some sort of extraordinary adventure within the Dragon Ball universe.
Maybe the 'lord of time' would be one of the main characters. And perhaps other well - known characters like Vegeta would also be involved. Vegeta is always ready to fight powerful enemies, so if there's a new threat in this story, he would likely be in the thick of it. Also, Piccolo has a lot of wisdom and power, so he could be another key character, especially if it involves some kind of strategic battle against the time - related powers in this story.
Obviously, the Supreme Kai of Time is a main character. She is central to the fanfiction as she has unique powers related to time.
There might be other characters from the original series that interact with her. For example, other Kais or powerful warriors who get involved in her adventures, either as allies or antagonists depending on the story.
Trunks could be another character. Given his experience with time - travel in the original story, he would have a natural connection with the Supreme Kai of Time. He could be involved in helping her to fix any disruptions in the timeline that he may have knowledge about or be a part of. His future - savvy perspective could be valuable in the fanfiction's plot, especially when dealing with potential threats to the future that are related to the time - space continuum.
The 'dragonball lord of time cannon story' could potentially involve time - related elements which are quite common in the Dragon Ball series. Maybe it has to do with a powerful being (the lord of time) and how the Dragon Balls are involved in a plot related to time manipulation. For example, perhaps the lord of time is trying to use the Dragon Balls to change a certain point in time for their own gain, or there could be a hero who has to stop this misuse of the Dragon Balls and time - altering powers.
I'm not entirely sure as there are many new characters in Dragonball Online Story. But there might be descendants of the original characters like Goku or Vegeta.
A power - hungry warlord from another dimension could be the main antagonist. He notices the unique connection between Naruto and the Supreme Kai of Time and sees it as a threat to his plans of universal domination. He uses his advanced technology and some stolen time - based magic to try and disrupt their bond and conquer both their worlds. He has an army of powerful minions and is constantly devising new strategies to outwit Naruto and the Supreme Kai of Time.
Well, obviously the Supreme Kai would be one of the main characters. They are central to the fanfic's premise.
One potential character could be a new time - traveling warrior from a different dimension. This character could bring in unique fighting styles and powers that the Dragon Ball characters have never seen before.