I didn’t know what I was expecting with this video but I was very surprised to see that this is one of Butchy Kid’s Slender Man videos, I loved these videos as a kid, it kinda gets me a bit nostalgic. If you haven’t seen them please do so they are gold.
People here are mentioning mario from super show. I couldn't hear it at first, but then i replayed the video and 4 seconds in i'm like "OH I GET IT". Funny guys, good job.