Oh boy... Listen, I don't seek to start drama because fuck that, I don't have time for it, so I'll be brief and have the decency of not pointing names.
But yeah, it has happened before and sadly, it happened pretty recently as well, every time from different people. Hell, even if it hadn't happened to me, it has happened to friends and people should have at least a bit of respect for others' work.
And I know some people might think "you're exaggerating, your stuff isn't even that good/popular". Trust me, I had the same thoughts. But there's a point where the "coincidences" start to happen too often and to get more and more shameless (in the times it happened to me, those people even had the nerve to post the same kind of stuff mere minutes after me, whether here or on discord).
Now... As I've said before, I'm not "gatekeeping" the stuff I've used. In fact, I also follow a few common tropes, and everyone is free to do so. But there's a different thing between being inspired by someone's work, and straight up copying their ideas.
You can be inspired and all, but PLEASE ask the artists and creators for permission before taking it, and for fuck's sake, GIVE CREDIT TO THEM.
With all that said, and as I've also said before, I have no time to deal with drama and this kind of stuff. I've made the mistake of giving the benefit of the doubt to people way too many times, but now I'm just going to put my foot down and, if needed, block.