Movie or Book: Annabeth and Percy are 16, since The Sea of Monsters film states that the Great Prophecy comes true at 20 years old.

Movie, Book, or Neither: Annabeth has iron-straight brown hair, and blue eyes.

Movie, Book, or Neither Annabeth has curly blonde hair, and gray eyes.

Book, Movie or Neither: Annabeth's family life is mentioned.

Book, Movie, or Neither: Annabeth's family life is not mentioned throughout the movie, although she did tell Percy that she grew up at Camp Half-Blood, similar to what she said in the book, and how she'd only been in the outside world a couple of times.

Book, Movie, Neither or Both: Luke had no scar at the beginning of the film, but received a cut on the cheek when Percy slashed him with his sword.

Book or Movie: Luke Castellan has a scar down his cheek from a dragon attack.

Book or Movie: Clarisse is the camp bully at Camp Half-Blood.

Book or Movie: Clarisse does not appear in the film. She does appear in the Sea of Monsters film however. Certain elements of Clarrise's character are combined with Annabeth in this film, in that Annabeth is a strong warrior and has a rivalry with Percy.