Olli is a Dutch children's book character and a stuffed toy. The character Olli was original created in 2004 by Dutch designer and film director Hein Mevissen and writer Diederiekje Bok as a character for a bottled mineral water. Olli was one of many characters used on the packages and posters of the bottled water brand and John's Phone. Olli was launched at a party of MTV In Rotterdam in 2004. In 2013 Olli was again part of a campaign. This time to save the Rotterdam Zoo Diergaarde Blijdorp. Olli is part of the Ollimania family which is the company that created and owns all characters. Olli became a national hype in the Netherlands from the launch in 2004. After the launch Olli became the symbol of Rotterdam and professional football club Feyenoord.On 10 September 2015, Ollimania and its