Mrs. Tredoni is the main antagonist of "Alice, Sweet Alice." She is a fanatical serial killer who believes it is her duty to God to punish sinners and their children. When her own daughter died, Mrs. Tredoni believed that God killed her to punish Mrs. Tredoni for her own sins, this led to her believing she had to punish children for their parents' sins. Mrs. Tredoni also works as the housekeeper for the priest of the community Catholic Church.