The Black-Hearted Businessman in the Comic World

His surname is Sherby. He once traveled through time and became an unscrupulous dealer who could sell anything. He was active in New York and Gotham. His buyers included both superheroes and super criminals, but he did not belong to any of them. Kingpin called him a "cunning cold-blooded snake", the Joker regarded him as "Batman's most important criminal", Spider-Man called him a "good old guy", and Nick Fury regarded him as the "manipulator behind the scenes". And Shelby just wants to transform New York and Gotham into civilized cities...