Because you like Agent J in Men in Black
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.
After training a herd of raptor dinosaurs, everything else is a breeze for Owen Grady. See them in Jurassic World.
Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.
Jim Halpert is a master at the art of making it through the work day, including participating in an office Olympics. See them in The Office.
After surviving consecutive fights-to-the-death (damn you, President Snow!), Katniss Everdeen is thrust to the front lines of a real war. See them in The Hunger Games .
When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.
Amber Holt is perpetually caught between forging her own path and stumbling around in the dark. See them in Parenthood.
The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.
Dipper Pines is investigating a truly strange town during the world's wildest summer vacation. See them in Gravity Falls.
While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.
