Because you like Lt. Commander Data in Star Trek: The Next Generation

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

Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.

Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.

Selfishly taking her father’s place to fight in the Imperial Army, Hua Mulan risks treason if they find out she isn’t who she says she is. See them in Mulan.

There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

This master marksman may be a villain, but Deadshot's motives aren't quite as selfish as they seem. See them in DC Extended Universe.

Guillermo is the best servant a vampire could ask for. For years now. Not that he's counting. See them in What We Do In The Shadows.

Dutiful, composed, and aloof, Sun Bak is the fighting force behind her team of eight "sensates" who are telepathically linked. See them in Sense8.

General of the formidable Dora Milaje, Okoye is forced to make the difficult choice of staying loyal by the king’s side, or to her good friend who was overthrown. See them in Marvel Cinematic Universe.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.