Because you like Pinhead in Hellraiser
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.
Freddie Freeman is a superhero aficionado with a dark sense of humor. See them in DC Extended Universe.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
Fate has forced Amuro into the terrors of war, and he must use the Gundam and all of its power if he is to make it out alive. See them in Mobile Suit Gundam Series.
With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.
Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.
Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.
Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.