Because you like Mary, Queen of Scots in Mary Queen of Scots
Abandoned by her parents, Rey made her living selling scrap metal and got used to being her own friend and teacher. See them in Star Wars Series.
With great power comes great responsibility, but Peter Parker always seems to get the short end of that bargain. See them in Marvel Cinematic Universe.
Some say to survive in Underland you need to be as mad as a hatter–which, luckily, he is. See them in Alice in Wonderland.
He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.
L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.