Because you like Lucy Ricardo in I Love Lucy
The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.
Jonathan Byers is a kindhearted outcast who tends to be in the wrong place at the wrong time. See them in Stranger Things.
Michelle Richardson's world revolves around her boyfriend. Alas, his world doesn't revolve around her. See them in Skins.
Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.
Sweet, reserved, and intellectual, Cordelia Foxx would do anything for her students. See them in American Horror Story.
Dallas Winston is headed down a dangerous, criminal road. See them in The Outsiders.
Though Twilight might be opposed to it, her new friends might just be able to teach this serious-minded pony how to relax. See them in My Little Pony.
A place as peaceful and enlightened as Piltover has no tolerance for a criminal like Jinx. See them in League of Legends.
Stella Grant is an organized, orderly optimist living with a dangerous disease. See them in Five Feet Apart.
Despite the dissolution of his state, Prussia hangs on – mooching off his younger brother Germany and reading comics. See them in Axis Powers Hetalia.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.