What it the mood and tone Maus 1 chapter 1?

Reflective, Melancholic, Anguished. The tone varies as the voice shifts between Vladek and Art, but in general, the tone fits the somber themes of the book. Art's reflections on his relationship with his father and on the crafting of Maus set the reader up for a more self-conscious reading of the book.

Explanation:

in the story "marionettes inc," in the last line of the story, braling two is referred to by the narrator as the "someone." what does this new identifier imply and how does it add to the drama of the closing scene?