Since the real Satoshi Nakamoto is hidden, and since it is not certain whether Satoshi is the name of a single person or a nickname for a group of people who may have come together to create Bitcoin, the idea of Satoshi Nakamoto will remain a means that anyone can use by claiming to be him to gain public attention. Fortunately, the Bitcoin protocol allows messages to be signed using the private key, so it is easy to prove the falsity of their claims, since no one among them or anyone else was able to sign a message from one of the addresses proven to be owned by Satoshi.

I think it is also possible to add Elon Musk to the list, since doubts were also swirling around him before it was confirmed that this was not true: Elon Musk Probably Invented Bitcoin