Because you like Polly Prince in Along Came Polly

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

When his friend goes missing, Lucas Sinclair is ready to fight. All of the Dungeons and Dragons is really paying off. See them in Stranger Things.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.

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

Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .

Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.

A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.

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.

The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.

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