Nuttiest "celebs" online?

We all know Victoria Jackson, but what about some other people who really have their screws loose? Anybody ever follow former Menudo boy and porn star Angelo Garcia? He's clearly an unhinged, steroidal mess who bares his entire life out there and then gets mad when people ask questions. His New Year's update was finding that a friend of his had jumped off the Golden Gate Bridge. He's probably next. Creepy guy.

• Roseanne

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• Garry Shandling's twitter is nuts...but in a really good way.

• Even though I suspect she was mostly joking around, Sinead O'Connor seemed pretty under medicated for a while on twitter. Donald Trump.

• Cher's Twitter feed is weird but then, so is Cher.

• Chris Brown

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