Because you like Mabel Pines in Gravity Falls

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

Although life in a post-apocalyptic world is far from easy, Julie Grigio maintains her sense of humor. See them in Warm Bodies.

Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.

Kenny McCormick is a boy of few words who likes nudie mags, NASCAR, monster trucks, origami, and Peruvian pan flute bands. See them in South Park.

Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.

Mike Hannigan is a lawyer-turned-pianist who loves to tap into his kooky side. See them in Friends.

Stella Grant is an organized, orderly optimist living with a dangerous disease. See them in Five Feet Apart.

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.

Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .