The Shadow is surely a main character in 'the shadow graphic novel'. He is the one with the unique powers and the drive to fight against the wrongdoings. Besides him, there could be characters like Margo Lane. She is often associated with the Shadow and might play an important role in the graphic novel. There could also be various police officers or detectives who either work with or against the Shadow depending on the plot, and some really evil villains who create the chaos that the Shadow has to resolve.
The main character is likely to be the Shadow himself. He is the central figure in most Shadow - related stories.
Not having read this particular graphic novel, it's hard to name the exact main characters. But in general, for a hero - based graphic novel, we can expect a hero with some special abilities or qualities. There could be a love interest who adds a different dimension to the story. And there would be an enemy or a group of enemies that the hero has to face. The relationships between these characters would drive the plot forward.
Obviously, Shadow Man is likely to be one of the main characters. There may also be other supporting characters like his friends, allies, or his arch - enemies.
I don't know as I haven't read this specific graphic novel. It could be a hero and a villain, with the hero representing the light and the villain the shadow.
There's a good chance that the main characters are adventurers who are lured to the shadow planet by rumors of great treasures or powerful artifacts. Along the way, they meet different challenges and other characters that either help or hinder their journey.
I don't know the main characters as I haven't read the graphic novel. But usually in a story with a title like this, there could be a character named Shadow who might be central to the plot. There could also be a character that the shadow interacts with, perhaps someone who is kissed by the shadow or is involved in the event related to the 'kiss'.
Since it's a 'Wolf in Shadow Graphic Novel', the wolf is surely one of the main characters. There may also be other animals or perhaps even human - like characters who interact with the wolf. Maybe there's a wise old owl that gives advice to the wolf, or a hunter who is after the wolf. Without reading it, it's hard to say for sure, but these are some of the possibilities.
Obviously, Batgirl is one of the main characters. But there might also be other characters like villains she has to face or allies who help her in her adventures.
Well, it's possible that there is a female lead who is the key to understanding the shadow kiss. She could have some special abilities or knowledge. And then there could be an older, wiser character, like a mentor, who has some past experience with the shadow kiss and tries to steer the main characters in the right direction.
I don't know for sure since I haven't read it. But it could have a strong, brooding protagonist like many graphic novels do.
Since I haven't read it, it's hard to say. But perhaps there's a protagonist who is on a quest related to the serpent's shadow. There might also be some supporting characters like friends or foes that the main character encounters during the story.