Chiyo is a character from the popular manga and anime series Azumanga Daioh. She is a bright and cheerful girl known for her youthful appearance and intelligence. Chiyo is often portrayed as a child prodigy, excelling in her studies and displaying a mature understanding of various subjects despite her young age. In the series, Chiyo is a high school student who is often seen interacting with her classmates, including Tomo, Yomi, and Sakaki. Her character adds a sense of innocence and humor to the story, as she navigates the challenges of school life while maintaining her optimistic outlook.