Because you like Howard Wolowitz in The Big Bang Theory

Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.

Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.

A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.

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

Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.

Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.

Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.

Ally Maine is a star who is about to be born. See them in A Star is Born.

Tiana lives by a simple motto: "Fairy tales can come true. But you gotta make them happen, it all depends on you." See them in The Princess and the Frog.

A fearless superhero, Carol Danvers always aims to go higher, further, faster. See them in Marvel Cinematic Universe.

Wendy Darling loves storytelling and flying. See them in Peter Pan.

A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.