Because you like Dorian Gray in Dorian Gray
Gregor Samsa is an ordinary man in an abnormal predicament. See them in The Metamorphosis.
Jamal Malik came from humble beginnings in an Indian slub filled with street gangs, but he is destined for bigger things. See them in Slumdog Millionaire.
Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.
Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.
Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.
Brandon Teena is an adventurous young man with the courage to be himself. See them in Boys Don't Cry.
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.
Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.
Honest, true, and just, Ned Stark is a good man. Unfortunately, those traits are not assets in Westerosi politics. See them in Game of Thrones.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.
Mr. Blonde is the undisputed leader of his pack of suited-up outlaws, with a stoic and serious demeanor, and a penchant for bloodshed. See them in Reservoir Dogs.