There is so much we are not told, and we cannot even imagine every viable possibility. Soon, very soon, we will have all those answers! And I bet we will be astounded we never had any idea even close to the truth about many subjects.
Although the bible tells us God is the Creator of the universe, it doesn't tell us if any other entity tried to create life also similar in image. I have always suspected Lucifer tried to create a race of men, to prove his equal status. Doesn't mean he did, but there's much we don't know, because God chose not to reveal everything to us.
"The fat lady is standing still. She's taken in a very deep breath. She's leaning forward just about to mouth the initial word..."