Because you like Senor Chang in Community
Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.
Rue Bennett has been overprescribed and under-supervised her entire life. See them in Euphoria.
When their organization was infiltrated by evil HYDRA, who was the one guy Captain America trusted? A former soldier with kickass wings named Sam Wilson. See them in Marvel Cinematic Universe.
You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).
A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.
A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.
Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.
Whether it's punching a meteor or saving a teen from jumping, Superman tries to be in as many places as Kryptonianly possible. See them in DC Extended Universe.
When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..