Because you like Terence Fletcher in Whiplash

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

Diana Prince is using a truth-telling lasso and super-strength to make Earth a little more like Paradise. See them in DC Extended Universe.

Audrey Horne may seem inquisitive and charming, but she can turn on a dime. See them in Twin Peaks.

Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

When their organization was infiltrated by evil HYDRA, who was the one guy Captain America trusted? A former soldier with kickass wings named Sam Wilson. See them in Marvel Cinematic Universe.

A free-spirited artist, Marjane Satrapi is living under the shadow of an oppressive society. See them in Persepolis.