Since I don't know the details of this 'ghost kanan story', I can't say for sure who the main characters are. But surely, Kanan, the ghost, is likely to be one of the main characters.
I'm not sure specifically which 'ghost kanan story' you are referring to. There could be many fictional stories with such a name. It might be a unique story created by an individual, a local legend, or something within a specific cultural or literary context.
As I don't know the exact 'Ghost Tommy story', but typically key elements could include the identity of Tommy. Who was he before he became a ghost? Another element could be the place where he haunts. It might be a place with some significance to his past.
Well, without more context about the 'Ghost Tommy story', it's difficult to tell the full story. However, generally in a ghost story, Tommy might be a spirit who has some unfinished business. Maybe he was wronged in his past life and now haunts a particular place, like an old house or a forest. He could be trying to communicate a message to the living or seeking revenge on those who did him harm.
Tommy in the 'tommy good story' could be anyone. He might be a child with a vivid imagination and a heart full of goodness. Or he could be an adult who has had some remarkable experiences. Maybe he's a local hero in the context of the story, someone who is known for his positive actions.
There could be characters like Hera Syndulla. She is often associated with Kanan and might play an important role in the graphic novel. Maybe Ezra Bridger could also be in it as he has a connection to Kanan in the Star Wars lore.
Whether the Kanan comics are canon is a matter of debate. Some aspects might align perfectly with established lore, but there could be elements that don't quite fit. It's not a straightforward yes or no answer.