Actor Charlie Sheen has become an Internet celebrity, spawning LOLcats, LOLcats and mash-ups with Charlie Brown. In just 25 hours and 17 minutes, Sheen reached 1 million followers, is now in the Guinness Book of World Records. The gambling group Ladbrokes gives Sheen an even money chance to overtake Justin Bieber in Twitter followers by the end of March. The Twitter-based image sharing website TwitPic–which hosts Sheen’s six photos–is making roughly $1,600 per snapshot.”]