Knut has been the subject of several popular songs in Germany, such as the singles "Knut is Cute" and ""Knut, der kleine Eisbär"" () by nine-year-old Kitty. In Britain, musical comedian Mitch Benn has performed three songs about Knut for BBC Radio 4 satirical series "The Now Show": "The Baby Bear Must DIE!", "Knut Isn't Cute Anymore", and "Goodbye Knut"—"Goodbye Knut" was about Knut moving to the Neumünster Zoo. Knut has also been in several DVDs, including one titled "Knut—Stories from a Polar Bear's Nursery". He appeared on the 29 March 2007 cover of the German "Vanity Fair" magazine, which was about the bear's life.