Well, as far as I hear and know, as the male was never show anywhere any answer is just concept and opinion.
The only lead was those artworks posted by the OP and is the only base for fact debate that it was show in a fanfest or another event(and one art posted by the creator of viera that shows how he refer to the male viera).
Support comes from all the visions and expectation... Invalidating one just my desires are another is not mature, as IF they would be inserted, they can change the final product as they please.