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Charlie Sheen doesn't think Ashton Kutcher made a winning move by joining his former sitcom Two and a Half Men.

The embattled actor, 45, predicted a steep drop in the ratings, ranting to TMZ, "Enjoy the show America. Enjoy seeing a 2.0 in the demo every Monday, WB."

Sheen, who was officially fired from the CBS show in March, did have some kinds words for Kutcher, 33, however. Sort of.

"Kutcher is a sweetheart and a brilliant comedic performer," he said. "Oh wait, so am I!!"

He also offered a bit of advice regarding for his top nemesis, Men creator and Executive Producer Chuck Lorre: "Enjoy planet Chuck, Ashton. There is no air, laughter, loyalty, or love there."

Regardless, the New Year's Eve star seems thrilled with his new gig.

"I can't wait to get to work with this ridiculously talented 2.5 team and I believe we can fill the stage with laughter that will echo in the viewers' homes," Kutcher told Us Weekly in a statement. "I can't replace Charlie Sheen but I'm going to work my ass off to entertain the hell out of people."