Because you like Iris Simpkins in The Holiday
Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.
Peter Pevensie shows as much courage as a child king as he did under The Blitz of London. See them in The Chronicles of Narnia.
Wendy Testaburger is a born leader who is not afraid to stand up to the other fourth graders for what she believes in. See them in South Park.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Celie Johnson says she's poor, black, and may even be ugly. But dear God she's here. See them in The Color Purple.
The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.
Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.
Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.
This master marksman may be a villain, but Deadshot's motives aren't quite as selfish as they seem. See them in DC Extended Universe.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.