Hansen is only the third most popular, after Jensen and Nielsen, but there are almost 250.000 hansen in a population of 6 mill.!! Gustav on the other hand is is a bit more rare, but coming up, only 3114 Gustav´s and 2777 the year before that. Now for the big question, how many Gustav Hansens are there.... only 98 in Denmark where he was born. See those facts you did not have on Gus.....