Because you like Arthur in Inception
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.
Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).
Jenny Flint is a devoted wife and daring crime fighter, which is pretty unconventional for a Victorian maid. See them in Doctor Who.
Krusty The Clown somehow makes life sillier and more somber at the same time. See them in The Simpsons.
Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.
Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.
Louise Belcher might be just a kid, but she can manipulate just about anyone with a pulse. All in the name of fun, of course. See them in Bob's Burgers.
Charlotte is ready to embrace connection in a strange place. See them in Lost in Translation.
Iris West is a barista and blogger determined to expose a secret. See them in DC Extended Universe.
Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.
Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.
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.