In the world, ダンカン (Duncan 
, Dankan 
, ダンカン 
) is a common boy's first name. The forename ダンカン is habitual in Malta, where it is quite a common masculine name, the United Kingdom, and Botswana (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in the United Kingdom, the United States, and South Africa. Also, ダンカン is the last name as well as the forename.
ダンカン is also a popular name for the fictitious and mythical characters: Duncan MacLeod , the fictional character from the Highlander multiverse, Highlander: Endgame; Jim Halpert , the fictional character on NBC's The Office; Duncan Idaho , the fictional character from Dune; Duncan the Tall , the character in A Song of Ice and Fire and Duncan , the fictional character from the Total Drama television series, Total Drama Island, and in many other works.