Because you like Artie Nielsen in Warehouse 13

As an undercover cop, Schmidt is getting to relive high school as a cool kid. See them in 21 Jump Street.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Accessing more than 10 percent of your brain can do strange things to anyone, and Lucy is Exhibit A. See them in Lucy.

Though Ray Holt is a man of few words and even fewer smiles, he cares deeply about his precinct and detectives. See them in Brooklyn Nine-Nine.

Leslie Knope can accomplish anything, literally anything, with a little grit and help from her office. See them in Parks and Recreation.

Jenko was top dog in high school. Now he's bottom of the pack in the police academy. See them in 21 Jump Street.

Whether he’s hacking or dodging a bullet, Neo has a poker face that never drops. And it doesn’t hurt that he’s prophesied to be "The One" to save humanity. See them in The Matrix.

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

Whether it's randomly bursting into song or writing Nancy Drew fan-fiction, Jess proudly marches to the beat of her own drum. See them in New Girl.