Because you like The Iron Giant in The Iron Giant
In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.
A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.
It's a mad, mad world, but Alice has a surprisingly level head as goes her own way down the rabbit hole. See them in Alice in Wonderland.
A sarcastic and nosy tomboy, Stephanie Tanner is understandably not crazy about being the middle child. See them in Full House.
A deadbeat dad and small-time con-artist, Frank Gallagher gives nothing and yet expects everything. See them in Shameless.
Marge Gunderson embodies the very best of the American Midwest. She's kind, friendly, and fiercely honest. See them in Fargo.
Cynical, judgmental, and hipper-than-thou, Enid Coleslaw wears her outsider status like a badge of honor. See them in Ghost World.
Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.
Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.