User blog:MarthBoy606/Mr.Mystery? -My take on who his mysterious sockpuppet is

You've probably heard of a guy named Mr.Mystery123. He states he is a sockpuppet. But who is he truly?

What Is Mr.Mystery?
Mr.Mystery is a mysterious person who popped up while I was at school. When I got back, I was informed of this mysterious user, who states he is a sockpuppet, one of us. He posted a code that when reversed with the 3 Letters Back Cipher Code, said something about 'Another thumbnail made'. Some people think this is because the person behind this user made a thumbnail before posting this code comment. Others think it could be someone who had requested a thumbnail to be made. It could be either...

Who is He Truly?
Now, it could be anyone, but here are my guesses.

Unknown
At first, this was a bit of a strange guess. But before the code was posted, I think it was Unknown who requested a thumbnail for Ant Man (Marvel) VS Atom (DC).

Even then, he had said "why not guessing who I am truly?" in his response in a comment by Mr.Mystery. This is why my top guess is UnknownUser55.

UTF
A bit less likely then Unknown, but he responded to Unknown by giving him the thumbnail mentioned earlier. It's not as likely as Unknown, but he could be UTF.

To sum it up...
I think the main guess as to Mr.Mystery's identity is UnknownUser55. Thanks for reading.