Pen-Pineapple-Apple-Pen is a Japanese earworm-style music video performed by Piko Taro, a fcitional singer created by comedian Kosaka Daimaou. The video was uploaded to YouTube in August 2016, and has since gone viral gaining over 157 million views and over 841,000 likes. It was also posted on Facebook by 9Gag where it has 60 million views and 1 million shares.