Because you like Cosmo Kramer in Seinfeld

Sometimes being a supportive girlfriend like Ophelia doesn't work out too well. See them in Hamlet.

Through raised to be a gentleman, Laurie has a mischievous sense of humor. See them in Little Women.

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.

In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

Auggie Pullman is a true wonder depite what some cruel classmates say. See them in Wonder .

Stoic, cynical, and independent, Homura Akemi is an alluring enigma. See them in Puella Magi Madoka Magica.

Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

Beloved by all, Lucy is the most corageous Pevensie. See them in The Chronicles of Narnia.

Adults call him troubled and kids call him crazy, but Donnie Darko is too busy following the instructions of a giant bunny rabbit to care. See them in Donnie Darko.