Because you like Optimus Prime in Transformers

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

Meg March might yearn for a life of ballgowns and diamond necklaces, but the boy she falls for doesn't have a penny to his name. See them in Little Women.

Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.

Extremely violent and loyal, Sandor Clegane is called the Hound for a reason. See them in Game of Thrones.

Michael Bluth is the only sane person in a family of eccentrics. At least, that's how he thinks of himself. See them in Arrested Development.

Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.

After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.