She is the demigod daughter of Athena, the love interest of Percy Jackson and one of the best friends of Grover
Underwood. Initially. Annabeth disliked Percy because their parents, Athena and Poseidon.

Like her mother, Annabeth is an intellectual genius, wise and very witty. Her eyes look calculating, like she is analyzing whoever she is looking at during a first meeting, as if "thinking of the best way to take the person down in a fight".