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)"?
Facts:
Daimaou Kosaka is known as Pikotaro
PPAP (Pen-Pineapple-Apple-Pen) is a single by Pikotaro
Answer: Pikotaro