Because you like Morrigan Aensland in Darkstalkers
Rukia Kuchiki is a cool and collected warrior who has trouble opening up to anyone. See them in Bleach.
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.
Beneath Yuji Sakai's meek exterior lies an exceptionally keen mind and a strong inner will. See them in Shakugan no Shana.
Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.
Nothing inspires dread like the mysterious, masked Man in Black. But what's he hiding? See them in The Princess Bride.
Eric Forman's interests include smoking weed, collecting Luke Skywalker memorabilia, eating Fatso burgers, and making his dad mad. See them in That '70s Show.
When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.
World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.
Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
Chuckie Finster is a baby afraid of everything from clowns to closets, unless his best friend's by his side. See them in Rugrats.