Because you like Damien Thorn in The Omen
Alex Vause's tattoos and tough exterior cover the fact that she's just a girl with a really intense crush. See them in Orange Is The New Black.
A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.
With his good looks and magnetic personality, Will Smith seems destined to be a Hollywood megastar. See them in The Fresh Prince of Bel-Air.
Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.
Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.
Ferociously independent and wickedly smart, Fiona Goode is a Supreme Witch who truly reigns supreme. See them in American Horror Story.
As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.
Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.
Eddie Brock is a big-hearted investigative journalist who is going through the world's weirdest identity crisis. See them in Venom.