Who are the main characters in 'bones book graphic novel'?

I'm not entirely sure about all the main characters, but usually there is a protagonist who drives the story forward. There might also be a sidekick or two to provide support and comic relief.

There's Fone Bone, one of the central characters. He's often the voice of reason among the Bones.

Since it's a graphic novel about a maze of bones, the main characters might be those with special skills. For example, one could be a brilliant puzzle - solver, another might be strong and brave to face the physical challenges in the maze. They are likely to be the ones who are drawn into the mystery of the maze and are determined to find out what lies within it.

I'm not entirely sure, but usually there are brave adventurers in such stories.

I don't know for certain as I haven't read the graphic novel. But it could have a scientist as a main character, someone who is intrigued by the alien bones and drives the investigation.

I'm not sure exactly, but it's likely to have a protagonist who is brave and curious, someone who is drawn to explore the city of bones.

Since the title is 'servant of the bones graphic novel', it's very likely that the servant of the bones is a main character. There may also be other characters like those who interact with the servant, perhaps a master who commands the servant, or an enemy who tries to stop the servant from fulfilling its purpose related to the bones.

Fone Bone is one of the main characters. He's a Bone, and he's often the focus of the stories, getting into all sorts of adventures.

Amy and Dan Cahill are the main characters. They are young members of the Cahill family who are thrust into the adventure of finding the 39 Clues.

I don't know for sure as I haven't read it, but there could be an adventurer type character who is brave enough to explore the house of gold and bones.