I love memegenerator.net (as you can see from my front page) and one of the best has to be Philosoraptor.
Iron Man costumes and that is awesome...if you disagree...go make one.
Also Donald Fett is awesome.
The Oatmeal is awesome...always awesome
Rapper Pees On Himself During Battle - Watch more Funny Videos
If you plan on taking health advice from Facebook...you may deserve the disease you have.
Cracked is almost always funny and here is the recent Photoshop contest based around better movie twists.
Someone screwed up my sports results.
Yahtzee, a fellow Aussie, and a much smarter man, is someone who needs no introduction...despite what I just did.
I've actually started reading this guy's work and while he's no Charlie Brooker, he's got some great ideas and opinions on US TV.
If you're a fan of Street Fighter, you might enjoy this
Another fairly funny guy, WineKone, known for just plain dirty humour and a nerdy misdemeanour, has a new video too.