Who did the single that was an internet sensation produced by Avex?
Avex Group:  Avex (short for audio visual expert) became the leading dance music company during the 1990s and continues to produce and manage some of Japan’s highest selling solo j-pop talents like Ayumi Hamasaki and internet sensation PPAP (Pen-Pineapple-Apple-Pen). PPAP (Pen-Pineapple-Apple-Pen): "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.
Pikotaro