User blog comment:Western Gen/Speculations for Season 13/@comment-178.219.97.150-20150518223236/@comment-124.13.122.246-20150519013344

I think we're about to find out in later episodes.

Another thing; What really happened to Felix? The gateway spit him out seconds after entering. Probably the Alien said  he did not fit the requirements and was a Dirty, Dirty, Shisno.