Todd Hewitt is a fictional character from the novel series Chaos Walking by Patrick Ness. He is a young boy living in a dystopian world where all living creatures can hear each other's thoughts, a phenomenon known as Noise. Todd is portrayed as brave and determined, navigating the challenges of his environment while grappling with the complexities of his own thoughts and emotions. In the story, Todd discovers a girl named Viola who has crash-landed on his planet, which leads him to question the truths he has been taught. His journey explores themes of friendship, identity, and the struggle against oppressive forces in a society that values control over freedom.