Because you like Cordelia Foxx in American Horror Story
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
Princess-turned-General Leia Organa is a sharp, fearless royal who gets herself into trouble and fights her way out of it. See them in Star Wars Series.
It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.
As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..
Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.
Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.
Omar Little is a pretty chill guy, as long as you can forgive the stealing and killing people. See them in The Wire.
A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.
Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.
Abandoned by her parents, Rey made her living selling scrap metal and got used to being her own friend and teacher. See them in Star Wars Series.
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.