I set this site up to snapshot my favourite tweeters; everyone from Ashton Kutcher to Darth Vader. I would have added George Lucas, but there is no access. 
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Tags : Ashton kutcher, Barack Obama, Brooke Hogan, Carson Daly, Dane Cook, Darth Vader, Dave Gorman, Demi Moore, Ellen DeGeneres, Fred Durst, Gene Simmons, Hugh Jackman, Hulk Hogan, Ice T, Jamie Oliver, Jason Bradbury, Jimmy Carr, John Cleese, Katy Perry, Kevin Pollak, Larry King, Levar Burton, Lily Allen, Mariah Carey, Martha Stewart, Matthew Perry, MC Hammer, Miley Cyrus, Moby, Neil Diamond, Oprah Winfrey, PCGamer, Perez Hilton, Phillip Schofield, Red Dwarf, Rob Thomas, Robert Llewellyn, Russell Brand, Sean Diddy Combs, Snoop Dogg, Star Trek, Star Wars, Stephen Fry, Taylor Swift, TheEdgeMagazine, Weird Al Yankovic, Wil Wheaton, William Shatner