Because you like Jane Hawking in The Theory of Everything

There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.

This mathematical genius doesn't have time for small talk; Alan Turing needs to break Enigma, the Nazi's cipher machine. See them in The Imitation Game.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.

Violet Parr is an angsty teen would love to become even more invisible than her superpowers allow. See them in The Incredibles.

Paris Geller is a newspaper editor, class president, and headed for Harvard. See them in Gilmore Girls.

Sharply perceptive and stubbornly principled, Jane Eyre might not have a very loud voice, but she knows when and how to use it. See them in Jane Eyre.

Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.