Because you like Sarah O'Brien in Downton Abbey

The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.

Although she's the queen of killer comebacks and one-liners, Janis Ian is honest about her feelings and cares deeply about her friends. See them in Mean Girls.

Brilliant but self-destructive, Lip Gallagher spends more time stirring up trouble than hitting the books. See them in Shameless.

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.

Quiet and brooding, Ennis Del Mar keeps his true passions close to the chest. See them in Brokeback Mountain.

After becoming accepted into the group of popular girls, Tracy Freeland has turned from a sweet and reserved teenager into a monster. See them in thirteen.

It's a mad, mad world, but Alice has a surprisingly level head as goes her own way down the rabbit hole. See them in Alice in Wonderland.

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.

Cutting ties with her con-artist friends, Sarah Manning is creating a better life for her daughter by taking on the identity of the deceased Beth. See them in Orphan Black.

Elaine Benes is a tough New Yorker who can hang with the guys, and date the ones who are "sponge-worthy." See them in Seinfeld.

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.