For some reason I love comparison shots of famous people. Finally someone came up with the idea of dedicating a website to them after photos like this have been on the internet for years: http://totallylookslike.com/

http://www.videosift.com/video/Wilford-Brimley-Diabeeetus-remix

Here's the huge list on flicker: http://www.flickr.com/groups/songchart/pool