Because you like Leone Montana in Leon: The Professional
Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.
Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.
Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.
Stefan Salvatore was the golden boy when he was alive. Can he keep it up as a vampire? See them in The Vampire Diaries.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
While he might be too cool for school, Soul isn't too cool to do the right thing. See them in Soul Eater.
Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.
Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.