User blog comment:Teridax122/Regarding Recurring Kaiju/@comment-5527544-20150808175403/@comment-5527544-20150809130914

So long as they are not just a minor antagonist, then okay. There was a Zettonian in Ginga S that had a name, but he wasn't anything more than a typical villain (I don't think he appeared for more than one episode). But the Alien Mtron, was character to himself, so he should get his own page