It's obvious there were many people involved. Notice how the white Hispanic's voice is different from his other videos:
https://youtube.com/watch?v=R6sDO6lOQZs
https://youtube.com/watch?v=YeBxl5rA_jk

Now compare these two:
https://youtube.com/watch?v=zBP-9e9jRz4
https://youtube.com/watch?v=R6sDO6lOQZs

First video was released 6 months ago, second one is from 3 weeks ago.