Because you like Jenny Flint in Doctor Who

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.

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.

Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.

China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.

Just because he rules Hades, doesn't mean he can't be fun! See them in Hercules.

The crown prince of the Fire Nation, Zuko has been ordered by his father to find the long-lost Avatar before he is allowed to return home. See them in Avatar: The Last Airbender.

Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.

Misaki Nakahara is keeping tabs on her newest project: recluse Tatsuhiro Sato. See them in Welcome to the NHK.

Amy Townsend rarely wakes up in the same bed twice. See them in Trainwreck.

Blade has all the cool vampire powers with none of the weaknesses. Definitely not a guy to pick a fight with. See them in Blade.