One video that cracked me up was the Joker Rubix Cube. Honestly, if you could bring the Joker back for a video of him trying the new Rubix cube or a metal puzzle thing I think that would make a funny video.
Don't even get me started on the bell notifications. That button is a "Do nothing" button. I swear its there to lie to you. I have my notifications on for a majority of the YouTubers I watch and I get notifications for 4 of them.