This is a masterpiece made by a lot of artist.
The funny part is that i just watched this too which made this even funnier:
https://www.youtube.com/watch?v=Zre0TRsGVsA&index=5&list=UUpclRlEJ2oh6JDEJy68UjKA
The part at 10:56-10:57 was the part that caught me off guard.
Awesome work.