Cast member Charlie Sheen at the premiere of his new film 'Scary Movie 5' in Hollywood April 11, 2013. Photo: Fred Prouser

London - Charlie Sheen has lashed out at Ashton Kutcher on Twitter, the actor who replaced him on 'Two and a Half Men' when he was fired over his erratic behaviour in 2010.

Praising his former co-star Jon Cryer, he first tweeted on Sunday (05.01.13): "hey Jon!!! u r a GENIUS!!! I effin love and MISS YOU old pal! Q; who's your lame side-kik? c #NiceTryCanonBoy #CH (sic)"

He then wrote the following day: "hey relax everyone! read the hash tag! oh and Jon I'm so sorry I insulted your sidekik I meant REALLY lame c (sic)"

And on Tuesday, Charlie - who played Charlie Harper on the sitcom - made another attack on the former 'Punk'd' star.

He wrote: "hey Ashton sorry bro all good. now quit barfing on my old brilliant show. Remember Punk'd? how duz it feel? c harp (sic)"

The venomous tweets were followed by much sweeter messages to his daughters, which were seemingly prompted by an article posted by their moher, Denise Richards.

The 'Anger Management' actor has fallen out with ex-wife Denise after claiming she took Sam, nine, and Lola, eight, on a festive holiday so he couldn't see them over Christmas, and is finding being separated from the girls and their sister Eloise - the 'World is Not Enough' actress' two-year-old adopted daughter - tough.

Alongside a picture of a phone case in the shape of a pink bear, Charlie wrote: "hey Sami and Lola!!!! (and mellow-eeze) dad loves

and misses u both more than I have words for! xox c #DotingDadd (sic)"

Charlie's comments came a day after Denise retweeted a link to an article from Dr. Charles Sophy - an author and child welfare expert - about the importance of the relationship between fathers and daughters.

Linking to the article, the tweet read: "Fathers, Daughters & Learning Self-Esteem: A healthy father-daughter relationship is key (sic)" - Bang Showbiz