User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-70.128.20.68-20121221223859/@comment-4212769-20121222182942

I think Diablos' name is a pun between the two. As you may know Diablos gets seen as the devil in MH (for example the chief of Moga made a allusion to it IIRC). Means "two horns" + "devil".