Because you like Michael Emerson in The Lost Boys
Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.
Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.
Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .
Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.
Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.
Patrick Star enjoys life's simple pleasures because he can't wrap his brain around anything more complicated. See them in SpongeBob SquarePants.
If Eleanor Shellstrop's true identity is revealed, she'll be sent to The Bad Place. See them in The Good Place.
Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.