Because you like Denise Huxtable in The Cosby Show

Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

Peter Pevensie shows as much courage as a child king as he did under The Blitz of London. See them in The Chronicles of Narnia.

Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.

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.

Claire Underwood is scary intimidating, and she knows it. See them in House of Cards.

After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.

C is for cookie, and that's more than good enough for him. See them in Sesame Street.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.