Because you like Betty Suarez in Ugly Betty

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.

Genetically and cybernetically enhanced, Gamora was trained from birth to be one of the deadliest women in the galaxy. See them in Marvel Cinematic Universe.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Hawkeye is most comfortable perched above the action, keeping an eye on everything and using a well-timed arrow to save the day. See them in Marvel Cinematic Universe.

Michonne 's light on conversation and deadly with a blade. See them in The Walking Dead.

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

Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.

Percy Jackson is an ordinary student thrust into the world of myth come alive. See them in Percy Jackson & The Olympians: The Lightning Thief.

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

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