Last name Cockroach (Cockroach 
, Kokoros 
) , around the world, is a rare cognomen. The surname Cockroach is habitual in Greece, where it is a rare surname, the United States, where it is a very rare surname, and Canada. Not in comparison with a country's population, the name is most common in Greece, the United States, and China. Likewise, Cockroach is the forename as well as the last name.