Because you like Konata Izumi in Lucky Star
Villanelle is a hired assassin who loves committing murder as much as she loves dressing up in fancy pink ballgowns. See them in Killing Eve.
Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.
John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.
Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.
Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.
Resourceful and pragmatic, Selina Kyle always keeps in mind her number one priority: herself. See them in Gotham.
Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.
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.
It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.
An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.
Stuck somewhere between life and death, Talion is motivated by one thing only: vengeance. See them in Middle-earth: Shadow of Mordor.
A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.