Surname 古杰 (古杰 
, Goodger 
) , worldwide, is quite a rare family name. The family name 古杰 is characteristic of Cayman Islands, where it is quite a rare surname, New Zealand, and Australia. In absolute terms, the name is most common in the United Kingdom, the United States, and Australia. Much less frequently, 古杰 is the forename as well as the last name.