Because you like Snake Plissken in Escape from LA
It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.
With great power comes great responsibility, but Peter Parker always seems to get the short end of that bargain. 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.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
Taking down villains, standing up to sexism, and pulling off a bright-red lipstick are all in a day's work for Agent Peggy Carter. 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.
Part of an elite team of investigators, Abby Sciuto is the happiest Goth to ever work in law enforcement. See them in NCIS.
Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.
Both brave and foolhardy, Thomas trusts his instincts above all else. See them in The Maze Runner.
With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.
A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.
Simba just can't wait to be king, but he's got a lot of growing up to do first. See them in The Lion King.