Surname ثانوس (Thanos 
, ثانوس) , all around the world, is quite a rare cognomen. The last name ثانوس is habitual in Greece, where it is quite a common surname, Australia, where it is a rare surname, and Indonesia. In absolute terms, it most frequently occurs in Greece, Indonesia, and the United States. Likewise, ثانوس is the forename as well as the last name.