Because you like Billy Flynn in Chicago
Jack Frost would rather crack a joke or throw a snowball than take anything seriously. See them in Rise of the Guardians.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
Neurotic, motherly, and oh-so organized, Monica Geller is everyone’s favorite hostess, keen on settling down and starting a family - perhaps too much so. See them in Friends.
Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.
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.
Chandler Bings keeps his friends on their toes with his cutting wit, all the while trying to discover his own place in life. Could he BE any funnier? See them in Friends.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.