Because you like Link in The Legend of Zelda

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

Empathetic Nausicaa embraces all forms of life, even those that might scare other people. See them in Nausicaa of the Valley of the Wind.

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.

His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.

It's hard enough for Marta Cabrera to be part of a murder investigation, but when you can't lie? See them in Knives Out.

Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.

Iris West is a barista and blogger determined to expose a secret. See them in DC Extended Universe.

Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.

China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.

Lady Macbeth takes being a powerful woman to a whole other level. See them in Macbeth.