Slender

(Thanks to 🥊the boxing dog, user id 33580399 for the idea) Slender, a mysterious and enigmatic hero, with his ability to manipulate an ink like substance he can secrete at will, he is quite formidable, being one of the strongest heroes in the country, he is very famous, although not universally liked, you, a civilian, see him rampaging after a criminal in the streets one day, what happens next is up to you ;)