Question: Kazuhito Kosaka, is a Japanese comedian, better known by his stage names Daimaou Kosaka, and which name, used by his fictional singer-songwriter identity, and is best known for his single "PPAP (Pen-Pineapple-Apple-Pen)"?

Related documents: [0]  [DOC] "PPAP (Pen-Pineapple-Apple-Pen)" (Japanese: ペンパイナッポーアッポーペン , Hepburn: Penpainappōappōpen ) is a single by Pikotaro, a fictional singer-songwriter created and portrayed by Japanese comedian Daimaou Kosaka. It was released as a music video on YouTube on 25 August 2016, and has since become a viral video. s of 2017 , the official video has been viewed over 122 million times, spawned parodies, and has been hailed as the new "Gangnam Style" by various newspapers and online media. The single itself reached number 1 on the "Billboard" Japan Hot 100 chart and became the shortest single to chart on the "Billboard" Hot 100. At the end of 2016, the songs charted at number 6 on Japan Hot 100 Year-end Chart. [END] 
[1]  [DOC] Kazuhito Kosaka (Japanese: 古坂和仁 , Hepburn: Kosaka Kazuhito , born 17 July 1973) , better known by his stage names Daimaou Kosaka (古坂大魔王 , Kosaka Daimaō ) and Pikotaro (ピコ太郎 , Pikotarō , born 17 July 1963) , is a Japanese comedian. Kosaka insists that Pikotaro is another person promoted by him, but they are considered the same person. He is best known for his single "PPAP (Pen-Pineapple-Apple-Pen)". [END]  
Answer: Pikotaro
Pikotaro