Because you like Danny Ocean in Ocean's Eleven
Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
A working class janitor with a world-class mind, Will Hunting is cocky, brash, and combative about his future. See them in Good Will Hunting.
The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.
Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.
Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .
Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.
Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.
Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.