Because you like Greg Heffley in Diary of a Wimpy Kid
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
Oscar Jarjayes is a sword-swinging, fearless Commander of the Royal Guard who cross-dresses as a man. See them in Rose of Versailles.
When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..
Daria Morgendorffer is so defensive that she actively works to make people dislike her so that she don't feel bad when they do. See them in Daria.
A talented OBGYN, Addison Montgomery is trying to figure out the whole love and marriage thing. See them in Grey's Anatomy.
Hanna Marin is a determined girl defined by her ability to transform herself. See them in Pretty Little Liars.
Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.
Don't underestimate Maggie Greene. She's a farm girl with a mission. See them in The Walking Dead.
There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.
Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.
Nicky Nichols just wants to settle down with a nice girl, but being in prison is making that a little difficult. See them in Orange Is The New Black.