Because you like Nyota Uhura in Star Trek
When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.
Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.
Elena Gilbert is the quintessential girl-next-door who gets involved with the new "boy" at school. See them in The Vampire Diaries.
The brilliant and well-adjusted Ender Wiggin is being groomed for the next generation of military leaders to fight alien invaders. See them in Ender's Game.
A Vietnam vet, Travis Bickle spends his days driving his taxi and watching porn flicks. See them in Taxi Driver.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
As Jane Villanueva grapples with a truly unexpected pregnancy, she realizes that her life is "now the stuff of telenovelas." See them in Jane the Virgin.
Quinn Fabray can become a monster when there is something she wants. See them in Glee.
Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.
Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.
Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.