Because you like Rose Tyler in Doctor Who
A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.
Causing mayhem practically since birth, rambunctious Fred Weasley plays pranks on his siblings and avoids school at all costs. See them in Harry Potter Series.
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.
Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.
A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.
Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.
Driven yet empathetic, Emily Prentiss brings humanity to the pursuit of inhuman killers. See them in Criminal Minds.
Although life in a post-apocalyptic world is far from easy, Julie Grigio maintains her sense of humor. See them in Warm Bodies.
Manipulative, conniving, and ruthless, Mr. Gold is enigmatic no matter what world he's in. See them in Once Upon a Time.