Because you like Brain in Pinky and the Brain

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Despite Norman Bates' typically kind and shy personality, he is also prone to occasional violent outbursts. See them in Bates Motel.

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.

N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.

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.

Assistant to the demanding editor-in-chief, Emily Charlton comes across as cold and insensitive. But who can blame her? See them in The Devil Wears Prada.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.

Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.

Mike Hannigan is a lawyer-turned-pianist who loves to tap into his kooky side. See them in Friends.