Because you like Dr. Gordon Freeman in Half-Life

Casey Gardner is an angsty teenage girl with quite a bit of sass that keeps getting her in trouble. See them in Atypical.

The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.

Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.

Effy Stonem is cool and collected with a wry smile on her face and a cigarette between her lips. See them in Skins.

Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.

Hanna Marin is a determined girl defined by her ability to transform herself. See them in Pretty Little Liars.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.