Because you like Rick Flag in DC Extended Universe
She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.
Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.
Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.
Daria Morgendorffer is so defensive that she actively works to make people dislike her so that she don't feel bad when they do. See them in Daria.
Ben Barber is ready to show you that he's twice the man you think he is. See them in Ride Along.
Bridget Jones is a wanton sex goddess, struggling 30-something, and semi-hot mess. See them in Bridget Jones's Diary.
Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.
Ilana Wexler is rarely found without a joint. When she's not absolutely blazed, she is a below average employee and an incredible best friend. See them in Broad City.