Because you like Donna Carmichael in Mamma Mia!

Kathy is a natural caretaker who strives to find hope in even the darkest of times. See them in Never Let Me Go.

Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.

Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.

Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.

Yes, she's an "older" woman, but that just makes Mrs. Robinson sexier and more seductive. See them in The Graduate.

With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.

You'll never get Alaska Young. And that's the whole point. See them in Looking for Alaska.

Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.

Glenn Rhee somehow never loses his enthusiastic spirit – even in the middle of a zombie apocalypse. See them in The Walking Dead.

Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.

Spencer Reid's super-smarts helps catch killers, and his social awkwardness endears co-workers. See them in Criminal Minds.

High school is Hell, so Allison Reynolds spends her time giving herself tattoos with ballpoint pens and shaking dandruff out of her hair. See them in The Breakfast Club.