Because you like Catherine Morland in Northanger Abbey
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .
Violet Parr is an angsty teen would love to become even more invisible than her superpowers allow. See them in The Incredibles.
Bob Belcher runs a lonely burger joint, and even though his wit is lost on his eccentric family, he doesn't let that faze him. See them in Bob's Burgers.
Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.
Sabrina Spellman is half-witch-half-human, a headstrong and loyal cheerleader with an affinity for spell-making. See them in Chilling Adventures of Sabrina.
The Grinch's heart is just too small to appreciate Christmas. See them in Dr. Seuss' How the Grinch Stole Christmas.
Funny, bubbly, and relaxed, Emma has a magnetic personality that makes her the life of the party. See them in Blue is the Warmest Color.
Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.