See if you can spot any of them. I think nyan cat is the most obvious.

Don’t put too much salt on a burger if you don’t want to get arrested!
This guy does some serious air!
Some very serious nutz
Spider or bug?
Tay Zonday, an internet-born star sings his famous “Internet Dream”.
This masterpiece, by the way, is not his most famous song. Chocolate rain is. With 35M (!) views. I don’t like it that much, though.