Because you like Sheldon J. Plankton in SpongeBob SquarePants

He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.

Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.

Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.

Phoebe Caulfield is a wise-beyond-her-years 10-year-old with an empathetic spirit. See them in The Catcher in the Rye.

Villanelle is a hired assassin who loves committing murder as much as she loves dressing up in fancy pink ballgowns. See them in Killing Eve.

A doting grandfather, Edwin Hoover also has a heroin addiction and a penchant for swearing. See them in Little Miss Sunshine.

Funny, self-destructive, and in her own head, Fleabag has spent most of her adult life using sex to deflect from the screaming void inside her empty heart. See them in Fleabag.

With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Barbara Kean is loving, selfless, and caring. But, she's less stable than she'd like to admit. See them in Gotham.

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.

Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.