Mrs. Norris is a character from the Harry Potter series, created by J.K. Rowling. She is the caretaker's cat at Hogwarts School of Witchcraft and Wizardry and is known for her keen ability to detect mischief among the students. With her sharp eyes and watchful demeanor, she often patrols the corridors, ensuring that rules are followed. As a tabby cat, Mrs. Norris has a distinctive appearance, featuring a grayish coat and a thin, bony frame. She is closely associated with Argus Filch, the Hogwarts caretaker, who relies on her to help him catch students breaking school rules. Her presence adds an element of tension to the school environment.