The "Doraemon" manga has inspired many other mangakas, including Eiichiro Oda, the creator of "One Piece" with the idea of "Devil Fruits", and Rumiko Takahashi, creator of "Urusei Yatsura" and "Ranma ½". The manga has also been mentioned several times in "Gin Tama" and "Great Teacher Onizuka". The character Doraemon is considered one of the cultural icons in Japan, and one of the most well-known character in manga history; some critics compared his notability with Mickey Mouse and Snoopy. A 2007 poll by Oricon shown that Doraemon was the second-strongest manga character ever, behind only Son Goku of "Dragon Ball". Doraemon is also referred as something with the ability to satisfy all wishes. He appeared in the 2016 Summer Olympics closing ceremony to promote the 2020 Summer Olympics in Tokyo.