Because you like Rosa Diaz in Brooklyn Nine-Nine
Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.
A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.
After years of living vicariously through other people's heroic stories, Wade Watts is about to become a hero himself. See them in Ready Player One.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
Despite being at the bottom of the social hierarchy in school, Eric Effiong is an upbeat student who loves makeup and fashion. See them in Sex Education.
Caitlin Snow believes that burying herself in science is the best way to save the day or to mend a broken heart. See them in DC Extended Universe.
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.
Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.