Because you like Screech Powers in Saved by the Bell
When his friend goes missing, Lucas Sinclair is ready to fight. All of the Dungeons and Dragons is really paying off. See them in Stranger Things.
Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.
Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.
Stefan Salvatore was the golden boy when he was alive. Can he keep it up as a vampire? See them in The Vampire Diaries.
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .
Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.
Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.
With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
Andrea Sachs' boss is not happy unless everyone around her is panicked, nauseous or suicidal. See them in The Devil Wears Prada.