Because you like Nymphadora Tonks in Harry Potter Series
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.
Phoebe Caulfield is a wise-beyond-her-years 10-year-old with an empathetic spirit. See them in The Catcher in the Rye.
Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.
Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.
Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.
A contemptuous aristocrat, Violet Crawley is unafraid to exert her authority and voice her opinions, no matter how harsh they are. See them in Downton Abbey.
Both brave and foolhardy, Thomas trusts his instincts above all else. See them in The Maze Runner.
For Sly Cooper, stealing isn't just about the haul. It's also about the journey. See them in Sly Cooper.
As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..
Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.
Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.
