Who is Teddy Perkins?

We all know the Teddy Perkins character in US Hit Series Atlanta Series 2 Episode 6 was rumoured to be based on Michael Jackson and Donald Glover supposedly played the part himself. But who attended the Emmy's dressed in full make-up and costume, we know it wasn't Donald Glover himself and there are many rumours circulating. But no one really knows for sure, who this mystery person was? Your thoughts are welcome!