Because you like The Grinch in Dr. Seuss' How the Grinch Stole Christmas

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

Taking down villains, standing up to sexism, and pulling off a bright-red lipstick are all in a day's work for Agent Peggy Carter. See them in Marvel Cinematic Universe.

Back in his hometown, Richie Tozier has been punched, dragged to a crackhouse and now has to kill a clown. See them in It.

A caring, curious, and considerate android, Vision could crush your skull if he had to. But he'd rather not. See them in Marvel Cinematic Universe.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

Hawkeye is most comfortable perched above the action, keeping an eye on everything and using a well-timed arrow to save the day. See them in Marvel Cinematic Universe.

Betty Cooper seems like a sweet girl, but she also has a dark side and can go beyond what's safe or sane. See them in Archie Comics.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Not only could Hellboy avenge your death, he'd also have a sense of humor about it and not let it ruin the rest of his night. See them in Hellboy.

George Costanza is short, stocky, bald, neurotic, and the self-proclaimed "king of the idiots." See them in Seinfeld.

A brilliant "extractor," Dom Cobb has spent the past few years running from the authorities and his inner demons. See them in Inception.