If the different names are rather provided by different factions In-Universe since the genuine title is unknown/unpronounceable/in a various language to them, that is a situation of Reporting Names. At the conclude, it is exposed that the inspector who visited them was not a authentic policeman. Italian one. Coincidentally, "Digimon Fusion Battles" employed to be the Working Title for the U.S. James Robertson Nowlin (born 1937), U.S.