The Battle of the Labyrinth: The Graphic NovelRick RiordanPercy Jackson and the Olympians: The Graphic Novels, book 4

Characters in The Battle of the Labyrinth: The Graphic Novel

7 characters, main characters first.

Main characters

Percy Jackson
Also in The Lightning Thief: The Graphic Novel, The Sea of Monsters: The Graphic Novel, The Titan's Curse: The Graphic Novel, The Last Olympian: The Graphic Novel

Antagonists

Kronos
Also in The Last Olympian: The Graphic Novel