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Charlie Sheen to Ashton Kutcher: 'Quit Barfing' on "Two and a Half Men"

Jordin Althaus/FX Network(LOS ANGELES) -- It seems Charlie Sheen is not a fan of his replacement on Two and a Half Men, Ashton Kutcher. 

In a series of tweets, Sheen has dismissed Kutcher as "lame."

It all started on Sunday, when Sheen wrote to his former Two and a Half Men co-star Jon Cryer, "hey Jon!!! u r a GENIUS!!! I effin love and MISS YOU old pal! Q; who's your lame side-kik?" The message was accompanied by a CBS photo of Cryer with Kutcher.

The next day, Sheen told everyone to "relax," then added, "Jon I'm so sorry I insulted your sidekik I meant REALLY lame."

Later, he passed along a message to Kutcher: "hey Ashton sorry bro all good. now quit barfing on my old brilliant show. Remember Punk'd? how duz it feel?"

Sheen was fired from Two and a Half Men in 2011 following numerous outbursts against series creator Chuck Lorre and others involved with the show.  He wrote to Lorre on Twitter last November and promised to "make amends."

Sheen currently stars on the FX comedy Anger Management.

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