Because you like Dr. Gordon Freeman in Half-Life

Guillermo is the best servant a vampire could ask for. For years now. Not that he's counting. See them in What We Do In The Shadows.

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

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.

April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

Jack Frost would rather crack a joke or throw a snowball than take anything seriously. See them in Rise of the Guardians.

Jacob Black is the boy next door who's also the wolf next door. See them in Twilight.

Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.

Aimee Finecky has big dreams, but she's too busy taking care of everyone else's desires. See them in The Spectacular Now.