Because you like Mary Ann Summers in Gilligan's Island

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.

Patrick Verona is a bad boy who's after a tough girl. See them in 10 Things I Hate About You.

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.

Somehow all of Lara Jean Covey's past crushes know everything she's ever felt about them. Embarrasing? Yes, but hey, now she has a boyfriend. See them in To all The Boys I've Loved Before.

Though raised to think of himself as a monster, Quasimodo has a heart that holds nothing but compassion. See them in The Hunchback of Notre Dame.

Hawkeye Pierce is a Devil-may-care Army doc who'd have the Devil laughing and drinking in five minutes flat. See them in M*A*S*H.

Edmund Pevensie isn't a bad person, but he did sell his siblings out for a tin of Turkish Delight. See them in The Chronicles of Narnia.

Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.