The Number 23 (2007) Movie

Explanation
In "The Number 23," Jim Carrey's character becomes obsessed with a novel that he believes is about him. This obsession consumes him as he starts to see parallels between the events in the book and his own life. He becomes convinced that the book is a reflection of his own experiences and that it holds some deeper meaning or connection to his identity. This obsession with the novel ultimately leads him down a dark and dangerous path as he becomes more and more consumed by his belief that the book is about him.

Explanation
In Batman Forever, Jim Carrey played the character of Edward Nygma, also known as The Riddler. The Riddler is a numbers-obsessed character who becomes obsessed with outsmarting Batman by leaving riddles and puzzles for him to solve. Jim Carrey's portrayal of The Riddler showcases his eccentric and over-the-top personality, which aligns with his previous roles in movies like The Mask and Ace Ventura.

Explanation
In the 2007 movie "The Number 23," Agatha Sparrow's occupation is a Cake Shop Owner. This means that she owns and operates a bakery where she sells cakes and other baked goods. This occupation is unrelated to being a physicist, librarian, or teacher, which are the other options given.

Explanation
In the 2007 film, Walter Sparrow receives the book "The Number 23" as a birthday gift from his wife.

Explanation
In the 2007 film "The Number 23", Walter and Robin mail 23 boxes of packing peanuts to a P.O. box. This suggests that the number 23 is significant in the movie, as it is repeated in the form of packing peanuts. The use of this specific item may symbolize the obsession and paranoia surrounding the number 23 in the storyline.

Explanation
In the book "The Number 23", the detective's name is Fingerling. This information is given in the question itself.