Last name Chang-Soo (창수 
, Chang-Soo 
) , in the entire world, is an extremely rare cognomen. The cognomen Chang-Soo is characteristic of Northern America, particularly Canada, where it is an extremely rare surname. Much more prevalently, Chang-Soo is the forename as well as the last name. Parts of the name also exists independently as a last name Chang, and a last name Soo.