About the true identity of the longhorn ghost
Horns' Japanese pronunciation is "You (ぁり) Jiao (かど), which is also a DO. On the surface, a name is nothing unusual. In fact, if you take out the word "you" separately and restore it from the continuous reading to the basic one, it is "you" and a Lu.
Pronunciation is Lucado, which means A Lu Ka DO! Alucard, the most popular protagonist on a moonlit night in ghost city.