Because you like Miranda Bailey in Grey's Anatomy
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
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.
Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.
Sabrina Spellman is half-witch-half-human, a headstrong and loyal cheerleader with an affinity for spell-making. See them in Chilling Adventures of Sabrina.
Equal parts funny and neurotic, Cory Matthews has a warm and generous spirit. See them in Boy Meets World.
Derek Hale is not one to make allies easily. This moody werewolf is dark and brooding. See them in Teen Wolf.
Manipulative, conniving, and ruthless, Mr. Gold is enigmatic no matter what world he's in. See them in Once Upon a Time.
Elena Gilbert is the quintessential girl-next-door who gets involved with the new "boy" at school. See them in The Vampire Diaries.
Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.