a bunch of people making funny vids.
Lecture Musical is very well done… looks like they did it in the middle of a real lecture as well!! massive props! 
Start Up Sound is hilarious. something we can all releate to. 
because pixels look better after post
These guys are great. They made a lot of funny stuff. This one (Lecture Musical) is one of their best idea.
One day I’ll make the same trick in my university, because it is too cool