Olli is a cartoon 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 on 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.