Because you like Charlie Gordon in Flowers for Algernon

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

Make sure not to anger the Hulk or else he will transform into a giant green monstrosity and smash anything in his way. See them in Marvel Cinematic Universe.

Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.

Genetically and cybernetically enhanced, Gamora was trained from birth to be one of the deadliest women in the galaxy. See them in Marvel Cinematic Universe.

Hiro is a free-spirit and remarkable genius who loves bot fighting and problem-solving. See them in Big Hero 6.

Flexibility is more than Helen Parr's superpower. It's a key tenet of her personality that allows her to be both firm and understanding. See them in The Incredibles.

Finn pulled off the impossible: he quit life as a Stormtrooper. Unfortunately, life only got more complicated after that. See them in Star Wars Series.

Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.

Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.

If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.