Because you like Christine Daae in The Phantom of the Opera

C is for cookie, and that's more than good enough for him. See them in Sesame Street.

Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.

Toph is a tenacious earthbender full of spirit and spunk and hates when people try to baby her because she's blind. See them in Avatar: The Last Airbender.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.

Summer Roberts is privileged and preppy but also surprisingly open-minded and fiercely loyal. See them in The O.C..

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

Nina Sayer finally landed the role of prima ballerina, but as tension ramps up in rehearsal, she starts losing her mind. See them in Black Swan.

Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.

Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.