The "Yes, We Can" Obama video is sweeping the net, and parodies have started to show up. Some are really funny. This one is called john.he.is (a play on the nickname of will.i.am, the musician who composed the original song):



Here is another parody showing the message from the GOP "No, you can't":




And finally, this one called "John McCain: No, You Can't" made by "barelypolitical", the authors of the famous "Obama girl" video: