Because you like Nyota Uhura in Star Trek
Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.
Hughie Campbell didn't ask to be a hero, but he's tired of injustice. See them in The Boys.
April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.
Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.
Scooby-Doo always keeps his priorities in order: eat snacks first, solve mysteries later. See them in Scooby-Doo.
Despite Norman Bates' typically kind and shy personality, he is also prone to occasional violent outbursts. See them in Bates Motel.
All Catelyn Stark wants is to keep her family safe, but life in Westeros makes it nearly impossible. See them in Game of Thrones.
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.
Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.