Because you like Nick O'Leary in Nick and Norah's Infinite Playlist

David Wooderson has clocked in hundreds of hours cruising around town looking for fun. See them in Dazed and Confused.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Growing up is hard for Carl Grimes. Growing up in a zombie apocalypse is even harder. See them in The Walking Dead.

Beneath Arthur's brash demeanor lurks the heart of a compassionate future king destined to unite the five kingdoms. See them in Merlin.

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.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Often the one to deliver bad news to the families of victims, Jennifer Jareau isn't sure this is what she signed up for. See them in Criminal Minds.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.

Nadia Vulvokov is a no-nonsense broad with a dark sense of humor and a flippant attitude. See them in Russian Doll.

Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.