Amrico-the protagonist of this book. An Italian boy who just entered the fourth grade of primary school was born in an intellectual family. Because of his father's guidance and education, he is pure, kind, hardworking, sincere and friendly.

Caron-Amrico's classmate and good friend. A tall boy, who knows right from wrong, dares to fight evil battles and often protects weak classmates.

Delossi-excellent in character and learning, served as a prefect. He is kind, lively and lovely.

Polly, the blacksmith's son, is thin and studies hard. I was beaten and scolded by my alcoholic father, but I just swallowed it and didn't want my classmates to know. After winning the prize through hard work, my father has also changed.

Claydy, the son of a woodcutter, urinates and does housework for his parents. Study hard, even when I am working, I am doing my homework. He is lively and polite.

Close, a son who sells vegetables, is slightly disabled and his father has been in prison.

Take the land as an example-it's not very beautiful, has perseverance, studies hard, loves reading, buys a lot of books, sets up a small library at home, and goes shopping in Amway.

Brandy is a naughty boy, who likes to mock people, bully the weak, make trouble and steal, and has many bad habits. He doesn't like studying. After repeated warnings, he was expelled from school and sent to a reformatory.