Because you like Krusty The Clown in The Simpsons
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.
Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.
John Tyree has survived heavy gunfire and aggressive enemy soldiers. But can he handle a girl? See them in Dear John.
Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.
Leslie Knope can accomplish anything, literally anything, with a little grit and help from her office. See them in Parks and Recreation.
Ben Barber is ready to show you that he's twice the man you think he is. See them in Ride Along.
Daenerys Targaryen will take what is hers with fire and blood. Thankfully, she has some dragons by her side. See them in Game of Thrones.
Faced with inequality, Gale Hawthorne has a rebellious spirit that only grows. See them in The Hunger Games .
John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.
Kazuma Kiryu's legendary strength and exploits have earned him the nickname of Dragon of Dojima. See them in Yakuza.
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.