Because you like Serena van der Woodsen in Gossip Girl

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

Eragon is one part brave but three parts fool. See them in Eragon.

Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.

Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.

Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.

A gruff and hardened professional, Marcus Fenix keeps his emotions buried deep. See them in Gears of War.

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

Curiosity and compassion aren't always to Jonas' advantage. See them in The Giver.

For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.

An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.