Celebrities Tweet About Charlie Sheen's Firing

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Jason Alexander jokingly pitches himself as a replacement on "Two and a Half Men," while Joan Rivers, Norm MacDonald, Sarah Silverman and others make cracks about the troubled actor.

The news of Charlie Sheen's being fired from Two and a Half Men sparked a slew of tweets from celebrities Monday.

Jason Alexander jokingly pitched himself to take over Sheen's role on the CBS/Warner Bros. TV comedy series.

"In an effort to bring a Sheen-esque quality to my portrayal, so as not to disrupt viewer appreciation, I will commence using cocaine in quantities large enough to challenge the national output of Columbia; fornicate with as many adult film actresses as I can afford -- I may throw in underage Thai hookers, as well; commit assaults in four and five star hotels prior to trashing the hotel rooms; and finally strive to alienate and piss off not only my immediate bosses and superiors, but the entire film and television industry," Alexander wrote. "I do this, not for my own joy, but for the benefit of the millions of people who ...

On a more serious note, Alexander added that he finds it "sad that such a talented guy is in such despair and decline, even if he doesn't acknowledge it or is even aware of it."

Several other celebrities also saw the firing as an opportunity to take jabs at Sheen.

"RIP @charliesheen (The FERRIS BUELLER'S DAY OFF one)," wrote Sarah Silverman.

Added Joan Rivers: "Charlie Sheen's brain cells are just like the cast of Celebrity Apprentice. As of today, there are only 15 left."

Meanwhile, Jamie Kennedy retweeted this message from his website HAHAJK.com: "oh Chuck RT @HAHAJK: Warner Bros. Fires Charlie Sheen; as Shocking as Water Being Wet | HAHA,JK!"

Justin Stangel, writer-producer on Late Show With David Letterman, also cracked a few jokes about Sheen after the firing news broke.

"I think @CharlieSheen has to change his catch phrase #Winning to #GotMyAssKicked," he wrote.

Stangel also managed to work in a jab at NBC: "Warner Bros fired @CharlieSheen from 2.5 Men. NBC expected to pick-up 'Sheen's Korner' for a fall 10pm slot"

Norm MacDonald noted that "Warner Brothers just fired @charIiesheen. Now if theyd only bring back Bugs Bunny."

He also quipped that "@charIiesheen has given us all a lot of laughs over the years. Also a lot of syphillis."

Piers Morgan, who interviewed Sheen last week, made a joke about Sheen's statement to TMZ regarding the firing, in which Sheen said: "This is very good news. They continue to be in breach, like so many whales. It is a big day of gladness at the Sober Valley Lodge because now I can take all of their bazillions, never have to look at whatshiscock again and I never have to put on those silly shirts for as long as this warlock exists in the terrestrial dimension."

"Wish I'd thought of this line when I was fired from Daily Mirror," Morgan tweeted.

Meanwhile, actress Jaime King expressed her sympathy to the Men crew and actors.

"Sheen fired FINALLY! my heart goes out 2 the crew & actors that lost their jobs B/C of his disrespect," she wrote.