Because you like Fantine in Les Miserables
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.
Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.
Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.
Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.
Elaine Benes is a tough New Yorker who can hang with the guys, and date the ones who are "sponge-worthy." See them in Seinfeld.
Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.
Blade has all the cool vampire powers with none of the weaknesses. Definitely not a guy to pick a fight with. See them in Blade.
Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.
Nothing inspires dread like the mysterious, masked Man in Black. But what's he hiding? See them in The Princess Bride.