Because you like Sheldon J. Plankton in SpongeBob SquarePants
A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.
Sabriel is smart enough to understand the dangers that await her and brave enough to face them anyway. See them in Abhorsen Series.
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.
Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.
The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.
Eowyn isn’t allowed to fight, but then again, when have rules ever stopped her? See them in The Lord of the Rings.
A tough tomboy with a protective streak, Maximum Ride is a human-bird hybrid. See them in Maximum Ride.
Running away from murderous aliens has turned into an interstellar chase for Jupiter Jones. See them in Jupiter Ascending.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
Tyler Gage is going to have to step up soon on the dance floor. Otherwise, it's back to janitorial work. See them in Step Up.