Tove Jansson featured on a Finnish stamp set. In 2014 the City of Helsinki honored Jansson by renaming a park in Katajanokka as Tove Jansson's Park (, ). The park is located near Jansson's childhood home. In March 2014, the Ateneum Art Museum opened a major centenary exhibition showcasing Jansson's works as an artist, an illustrator, a political caricaturist and the creator of the Moomins. The exhibition drew nearly 300,000 visitors in six months. After Helsinki the exhibition embarked on a tour in Japan to visit five Japanese museums. In 2012, the BBC broadcast a one-hour documentary on Jansson, "Moominland Tales: The
Finnish name share the same surname. All persons have the right to change their surname once without any specific reason. A surname that is un-Finnish, contrary to the usages of the Swedish or Finnish languages, or in use by any person resident in Finland cannot be accepted as the new name, unless valid family reasons or religious or national customs give a reason for waiving this requirement. However, persons may change their surname to any surname that has ever been used by their ancestors, if they can prove such claim. Surnames behave like regular words when forming grammatical cases. Thus, for example,