Because you like Diane Chambers in Cheers

Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

Never shy about sharing what she thinks, Beatrice loves to make smart remarks and keep men on their toes. See them in Much Ado About Nothing.

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

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

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

Harry Osborn is the privileged son of Oscorp's founder with a goblin-sized chip on his shoulder. See them in Marvel Cinematic Universe.

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.

The only thing that can match Rose's looks are her hot temper and free spirit. See them in Titanic.

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.