Ylvis is a comedy duo from Bergen, Norway, consisting of brothers Bård and Vegard Ylvisåker (more commonly as "Ylvisaker"). They debuted as professional variety artists in 2000 and have since had a string of very successful variety shows, humoristic concerts, TV shows, radio shows and music videos. Their song "The Fox" went viral on YouTube in September 2013, bringing the brothers to international attention. [Wikipedia]