Because you like Leonard "Bones" McCoy in Star Trek

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.

Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.

Ponyboy Curtis is a "Greaser" on the surface, but he's a sensitive poet underneath. See them in The Outsiders.

Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.

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.

Dipper Pines is investigating a truly strange town during the world's wildest summer vacation. See them in Gravity Falls.

If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

Once a loving family man, James Heller is now dark, damaged, and hell-bent on getting revenge. See them in Prototype Series.

NiGHTS is a powerful but childlike spirit who hates being told what to do. See them in NiGHTS into Dreams.