I don't know the specific characters as I haven't read it. But the main character is probably the cat. There could also be other animals like birds or mice that interact with the cat in the story.
It could potentially tell a story of a cat's adventure when it gets out of its familiar place which is away from water. Maybe the cat encounters different animals or people. The graphic novel might use vivid illustrations to show the cat's emotions and experiences, like confusion, curiosity or fear.
Since I'm not familiar with the 'Dark Water Graphic Novel', I can't tell you the main characters. But in most graphic novels, the main characters are often those who drive the story forward, face the central conflicts, and experience character growth throughout the narrative. So in this case, it could be a brave adventurer, a scientist trying to understand the dark water phenomenon, or a group of survivors in a world affected by the dark water.
I don't know as I haven't read it. But it could be a group of sailors, pirates, or people living near the water. Maybe there's a brave hero who has to deal with the 'fire on the water' situation.
Since I don't know the specific 'ink in water graphic novel', I can't say for sure who the main characters are. They could be artists, as the concept of ink in water might be related to the art world. Maybe there's a young and curious protagonist who is exploring the beauty and mystery of ink in water.
There could be other characters aside from the dogs as well. Maybe there's a human character who helps or hinders the dogs in their relationship with water. For instance, a trainer who is trying to teach the dogs to swim or a villain who is polluting the water that the dogs depend on.
There could be a young protagonist, like a teenager or a young adult. This character might be on a journey of self - discovery, and the black cat enters their life in some way, either as a guide or as a source of trouble. For example, they might be trying to figure out the mystery behind the cat's appearance in their town.
The black cat itself is surely a main character. It is likely to be central to the story, driving the plot with its actions or presence.
There are many main characters, such as Firestar. He is a very important cat in the story.
Obviously, the cat and the mouse are the main characters. The cat is probably the pursuer, always on the lookout to catch the mouse. And the mouse is the one being chased, using its wits to escape the cat's clutches. There might be other minor characters as well, like a bird or a fish that might play a small part in the story, but the cat and the mouse are the stars.
There is Salva. He is one of the main characters who endures a long and arduous journey in search of water.