Because you like Jamie Rellis in Friends with Benefits

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

Beca Mitchell fancies herself an edgy loner, but it turns out being part of a group can be aca-amazing. See them in Pitch Perfect.

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.

A tough and compassionate loner, Emma Swan just might be the key to saving an entire fairy tale world. See them in Once Upon a Time.

Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.

His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.