Because you like Sky Captain in Sky Captain and the World of Tomorrow
Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.
If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.
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.
Winnie the Pooh is a chubby little cubby all stuffed with fluff. See them in Winnie the Pooh.
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.
Mystique is a shape-shifting mutant who, after too many disappointments, does not want to co-exist with humans. See them in X-Men Series.
After training a herd of raptor dinosaurs, everything else is a breeze for Owen Grady. See them in Jurassic World.
Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.
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.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.