You’re coming off as really jealous.
If your game is good enough to stand it’ll stand. You’re trying to get a circle jerk going and to someone who’s been around the internet for all of their life it shows.
Instead of raging just close your eyes, calm down, and make your game.
The guy was recognized by Konami, and we all know overlord Konami are overprotective of their IP. If they didn’t blow a whistle you have no whistle to blow unless they directly stole assets from you, someone you know, or from a source you recognize. If not, fangames are a thing that will not go away no matter how many tantrums you throw.