The elusive BreedJosh.
BreedJosh is a member of the server whose username name is similar to that of BreederJosh, another Scottland member. He wears the default Steve skin and has only been on the server for a few seconds. In that few seconds, though he caused such an uproar that hash-tags have been made in his honor. BreedJosh was introduced in Episode 703 - The Ventriloquist.
The aforementioned hash-tag.