Because you like Xander Harris in Buffy the Vampire Slayer
R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.
Somehow all of Lara Jean Covey's past crushes know everything she's ever felt about them. Embarrasing? Yes, but hey, now she has a boyfriend. See them in To all The Boys I've Loved Before.
Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.
Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).
Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .
Amber Holt is perpetually caught between forging her own path and stumbling around in the dark. See them in Parenthood.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
Empathetic Nausicaa embraces all forms of life, even those that might scare other people. See them in Nausicaa of the Valley of the Wind.
Darlene is a free-spirited hacktivist who follows her own moral compass. See them in Mr. Robot.
Gregor Samsa is an ordinary man in an abnormal predicament. See them in The Metamorphosis.
Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.