Oh cooool! Some of those channels look interesting. Thanks for the links! I'm subscribed to:
http://www.youtube.com/user/BadLipReading <--Where they take music videos, take out the song, and dub over with what it looks like they're saying. Hilarious! My favorite is "Russian Unicorn" with Michael Bublé.
http://www.youtube.com/user/moshezuchter <--Because I'm an accordion player, and he does awesome accordion tutorials
http://www.youtube.com/user/sxipshirey <--Sxip Shirey, because he's amazing.
http://www.youtube.com/user/VeganBlackMetalChef <--Vegan cooking videos by a black metal dude in full costume. Funny and informative :D