Related Information for Wise Guys There are two artists using the name Wise Guys1) An acapella group from Cologne, Germany2) An Italian hardcore band from New Jersey.The Wise Guys are a popular Acappella group from Cologne, Germany. They are the most prominent representatives of Acappella music in Germany. Their tantalizing combination of catchy tunes and amusing lyrics have attracted many fans. The group as it is known today has existed since 1995 with the members Daniel Dickopf (Dän), Marc Sahr (Sari), Edzard H.. read more