Because you like Sue Heck in The Middle
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.
As the hero of time, Link is reborn throughout history, always with the purpose of fighting and defeating the evil Ganon. See them in The Legend of Zelda.
You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.
Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
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.
There can be no doubt that Ben Linus is a huge liar. But one man's lies are another man's necessary steps to protect his people. See them in Lost.
Merciless and manipulative, Queen Ravenna is determined to become the fairest of them all. See them in Snow White and the Huntsman.
Crono may not talk, but this time-traveling hero's heart speaks volumes. See them in Chrono Trigger.
A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.