List of terms related to an average person

Here is a list of terms related to an average person.
By culture.
Arab World.
Fulan (male: فلان) Fulana (female: فلانة)
Finland.
Matti Meikäläinen (male, literally "our Matti"), Maija Meikäläinen (female, literally "our Maija")
France.
See also 
Russia.
Common placeholder first names in Russia are Ivan and Peter, due to their commonality. Their placeholder function may be seen in old Russian textbooks: in arithmetical problems or sentences to illustrate grammar.
For a group of average persons or to stress the randomness of a selection, a triple common Russian surnames are used together in the same context: "Ivanov, Petrov, or Sidorov". This a relatively new phenomenon, unknown in early 20th century. Ivanov, being derived from the most common first name, is a placeholder either for s sine arbitrary person. In its plural form, "Ivanovs", it may be used as a placeholder for a group of people. There is a military joke: The sergeant asks the rookies: "Your surnames!" - "Ivanov!", "Petrov!", "Sidorov!" - "Are you brothers?" - "No, we are namesakes, sir!"
the placeholder is used in humorous or ironic contexts.
In Russian jokes, a placeholder name for an archetypal Jew is Rabinovich.