Because you like Annie James in The Parent Trap

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.

Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.

Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.

Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.

Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.