Because you like Andy Dufresne in The Shawshank Redemption
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.
A gentle alchemist who is soul-bound to a giant suit of armor, Alphonse Elric is growing into the responsibility handed to him. See them in Fullmetal Alchemist.
Nick Miller might not have a bank account, but he defintely has a lot of love to give. See them in New Girl.
Cassie Sullivan is resilient and resourceful, but she's not quite as brave as she pretends to be. See them in The 5th Wave.
Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.
Annie Walker can bake a beautiful cupcake, but everything else in her life is a mess. See them in Bridesmaids.
The brilliant and well-adjusted Ender Wiggin is being groomed for the next generation of military leaders to fight alien invaders. See them in Ender's Game.
Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.
Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.
Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.
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.