Because you like The Doctor in Star Trek Voyager
Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.
Sarah Kerrigan is pretty much the Queen Bitch of the Universe. See them in StarCraft .
Imperator Furiosa is a badass patriarchy toppler. She'll do anything to secure a better, freer future for the women she cares for. See them in Mad Max: Fury Road.
Toph is a tenacious earthbender full of spirit and spunk and hates when people try to baby her because she's blind. See them in Avatar: The Last Airbender.
George Costanza is short, stocky, bald, neurotic, and the self-proclaimed "king of the idiots." See them in Seinfeld.
Bran Stark discovered a scandelous family secret. He swore to keep quiet but soon found himself on the receiving end of attempted murder. See them in Game of Thrones.
A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
With a song always on her lips and her heart on her sleeve, Maria von Trapp is the governess every kid dreams of. See them in The Sound of Music.
Nothing inspires dread like the mysterious, masked Man in Black. But what's he hiding? See them in The Princess Bride.