Because you like Travis Bickle in Taxi Driver

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

Assistant to the demanding editor-in-chief, Emily Charlton comes across as cold and insensitive. But who can blame her? See them in The Devil Wears Prada.

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

Annie Walker can bake a beautiful cupcake, but everything else in her life is a mess. See them in Bridesmaids.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

Veronica Sawyer thinks that if you were happy every day of your life you wouldn't be a human being, you'd be a game-show host. See them in Heathers.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Mystique is a shape-shifting mutant who, after too many disappointments, does not want to co-exist with humans. See them in X-Men Series.