Because you like Sango in Inuyasha
Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.
Carrie Bradshaw is a sex columnist addicted to expensive shoes, Cosmopolitan martinis, and unavailable men. See them in Sex and the City.
Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..
Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.
Sally Albright is high maintenance who she thinks she's low maintenance. But she's still worth it. See them in When Harry Met Sally....
Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.
Lane Kim is the drummer for Hep Alien, but don't let her mom know. See them in Gilmore Girls.
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.