Because you like Twilight Sparkle in My Little Pony
T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.
Kesuke Miyagi is a karate expert who thinks the best way a scrawny high schooler can learn how to defend himself is by washing every surface in sight. See them in The Karate Kid.
Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.
Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.
It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.
Talos is a mysterious military commander skilled in the art of deception. See them in Marvel Cinematic Universe.
Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.
Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.
Simon Spier has long known that he's gay, but he doesn't know how to open up about that – even to his closest friends See them in Love, Simon.
Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.
Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.
Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.