Nicky Wu, what kind of dog is Nicky Wu?

The stems of Nicky Wu and Nicky Wu come from a vocal line that appears repeatedly in the music Apollo. The mv of this song mainly tells the story of three astronauts landing on the moon in Nicky Wu. When they explored the back of the moon, they saw their idol Nicky Wu shouting in surprise: "I'll go, it's Nicky Wu!" " Then mysterious patterns were brainwashed by unknown forces, memes were polluted, and finally they were trapped on the moon.