Because you like Clarice Starling in The Silence of the Lambs

John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.

Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.

Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.

Cutting ties with her con-artist friends, Sarah Manning is creating a better life for her daughter by taking on the identity of the deceased Beth. See them in Orphan Black.

Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Fiona Gallagher wants to be able to give her siblings everything that they deserve because her parents aren't going to do it. See them in Shameless.

Charles Xavier is a telepath who believes mutants and humans are both good at heart and can live in harmony. See them in X-Men Series.

Not only could Hellboy avenge your death, he'd also have a sense of humor about it and not let it ruin the rest of his night. See them in Hellboy.

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.

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.

His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.