Because you like Anya Jenkins in Buffy the Vampire Slayer
Through raised to be a gentleman, Laurie has a mischievous sense of humor. See them in Little Women.
Juliet Capulet falls head over heels for her rival family's resident sweet talker, Romeo. See them in Romeo & Juliet.
There are a lot of rules in their society for women like Emily Dickinson. But Emily is a rule-breaker. See them in Dickinson.
This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.
Fate has forced Amuro into the terrors of war, and he must use the Gundam and all of its power if he is to make it out alive. See them in Mobile Suit Gundam Series.
Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.
With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.
Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.
Leonardo is spiritual, and devoted to more than just pizza. See them in Teenage Mutant Ninja Turtles.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.