Because you like Egon Spengler in Ghostbusters

Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

With the loyalty and pluckiness of a puppy, Nana Komatsu is a hopeless romantic. See them in Nana.

Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars Series.

Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.

Leslie Knope can accomplish anything, literally anything, with a little grit and help from her office. See them in Parks and Recreation.

Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

Peter Pan is a boy who never grew up. See them in Peter Pan.

Adored, honored, and, most of all, feared, Miranda Priestly has the fashion industry in the palm of her hand. See them in The Devil Wears Prada.

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.

Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.