Because you like Violet Baudelaire in Lemony Snicket's A Series of Unfortunate Events
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.
Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.
Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.
Kesuke Miyagi is a karate expert who thinks the best way a scrawny high schooler can learn how to defend himself is by washing every surface in sight. See them in The Karate Kid.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.
Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.
A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.