Certainly.
On the Earth we are in human flesh (avatars of angels).
There are avatars of demons here as well.
The two witnesses are avatars of same rank archangels An13 (An13-An18 - six different species of archangels) though they are from another galaxy. For other humans on the Earth this galaxy is starting point for further development.

Remember the Crop Circle from Prudentopolis Brazil of 27.09.16 ?
43 in it are amount of different humans species.
Soon the theory of human spiritual development will be translated into different languages.
Here is its application: [link to salik.biz (secure)] with explanation number 43 on the mentioned above Crop Circle.