How does Villefort's name change throughout the novel?

It changes in quite unexpected ways. Sometimes it's associated with plot twists and character developments.

Will Halloway undergoes significant growth and transformation. He starts as a somewhat naive and timid character but becomes braver and more self-assured as the story progresses.

Gulliver undergoes significant changes. He starts off naive and wide-eyed but becomes more cynical and disillusioned as he experiences different lands and their oddities.

Hyde undergoes significant changes. He starts as a mysterious and sinister figure but gradually becomes more exposed and desperate as the story progresses.

She undergoes significant character development. Her beliefs, values, and behaviors all shift as the story progresses.

Huck changes a lot. He starts out as a mischievous kid but grows more mature and empathetic as the story progresses.

Jem changes quite a bit in the novel. He goes from being innocent and somewhat oblivious to becoming more perceptive and sensitive to the injustices and complexities of life. His growth is driven by the challenges and experiences he faces.

Utterson undergoes significant changes. He starts as a reserved and skeptical character but gradually becomes more involved and determined as the story progresses.

Ponyboy undergoes significant transformation. At the beginning, he's kind of carefree and stubborn. But as the story progresses, he gains a deeper understanding of life and the people around him, and becomes more responsible and sensitive.

Scrooge undergoes a major transformation. At first, he's a cold and selfish miser, but as the story progresses, he becomes kind and generous after facing supernatural visits.