Celebs Slam Charlie Sheen on Twitter

Despite his recent spewing of irrational insults and egocentric ranting, Charlie Sheen may still have many fans out there. But not many of them reside in Hollywood.
Following the sitcom star's most recent meltdown, a slew of stars have taken to Twitter to voice their opinion on them. Among their views:
Sarah Silverman: "If I hung out w 20 year old porn stars all the time time I'd think I was a genius too."
Zooey Deschanel: "MYSTERY SOLVED: now we know who the "half a man" is in "two and a half men."...HINT: it's not the kid!!!!"
Giuliana Rancic: "How crazy is that Charlie Sheen rant? Have u noticed he loves saying 'winning?'"
Denis Leary: "Is it just me or is Charlie Sheen starting to sound a lot like Moammar Kaddafi?"

Sheen does have one celebrity on his side, though. Asks CNN host Piers Morgan: "Is it just me that thinks Charlie Sheen be allowed to behave how the hell he likes in his own time?