Argentina;
Juan Pérez, Don Nadie, Fulano, Mengano, Zutano or Sultano.
Japan;
(Yamada Taro, a common male name), (Yamada Hanako, a common female name), (Nanashi-no-Gombei, literally “Nameless So-and-So”), (Nanno Nanigashi), (Dozaemon, a drowned corpse)
Francia;
Jean Dupont, Paul Martin, Monsieur Durand, Monsieur Untel/ Madame Unetelle, Monsieur/Madame X, Pierre-Paul-Jacques (even though those are three very common, typical distinct surnames, this is often said as a long uninterrupted string, as if an actual composed surname: “or” is added in the middle sometimes: “Pierre-Paul-ou-Jacques”)
Si quieres ver de muchos mas paises, pincha aqui