Because you like Ethan Wate in Beautiful Creatures

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

Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars Series.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.

Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.

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