"Unaware of anything that originated on Youtube that fits into this category"...

What?! Currently the most watched animator on youtube falls squarely into this category. You don't know about it because you're old. TBF I only heard about it from an elementary school teacher. Here's a summary for the old folks, aka everyone here:

https://www.youtube.com/watch?v=K50D_P4kpZM

First video:

https://www.youtube.com/watch?v=tzD9OxAHtzU