Because you like Agatha Harkness in Marvel Cinematic Universe
Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.
A contemptuous aristocrat, Violet Crawley is unafraid to exert her authority and voice her opinions, no matter how harsh they are. See them in Downton Abbey.
Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.
Velma Dinkley is all about getting results, not taking credit. She is the unsung hero of Mystery Inc. See them in Scooby-Doo.
Shaggy might be a bit of a slacker, but his heart and his stomach are usually in the right place. See them in Scooby-Doo.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.
Beware! Anton Chigurh carries a coin with him, which he forces his victims to flip to decide whether they will live or die. See them in No Country for Old Men.
Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.
Saul Goodman can get just about any lying crook off the hook in court. Well, as long as he can make a buck out of it. See them in Breaking Bad.
John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.