I was just thinking about some interesting YouTube channels I follow and thought it might be an interesting topic of discussion. I'll start it off with one I just barely discovered - a guy by the name of Mario Wienerroither has a series he calls Musicless Musicvideo. It's a parody of music videos, where he takes the music out and adds sound:
https://www.youtube.com/watch?v=cD8ffB9JU64
So do you have something you like to follow? Post it up and let's see what's the rest of us are missing.