Happy Father's Day indeed. Tiger blood-drinker Charlie Sheen slammed his ex-wife Denise Richards via Twitter in celebration of Father's Day, calling her all sorts of degrading names, all while pouring praises to his current wife.

The former "Two and a Half Men" star went on to Twitter and unleashed a fury of anger tweets that attacked the actress and fashion model. Xpose reported that the tweet has since then been deleted, but the 49-year old actor called Richards different varying expletives. He continued with more tweets, calling her an evil terrorist, a washed-up piglet and a shame pile.

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Denise Richards is the second ex-wife of Charlie Sheen, who is the mother of his two children: eleven-year-old Sam and ten-year-old Lola Rose.

In complete contrast to Richards, the actor had nothing to say but praises for another ex-wife, Brooke Mueller, whom he called a sexy rock star. Mueller, whom ET Online reported to have divorced Sheen since 2001, is the mother of the actor's six-year-old twin sons, Bob and Max.

Despite the uncalled for lashing and ranting tweets, Richards had nothing but kind words for the "Anger Management" star. E! Online reported that the actress/model greeted her ex-husband a Happy Fathers' Day and mentioned how the kids were disappointed that their dad was not with them. She even wished him a great time in Mexico.

Charlie Sheen has been known to be volatile even before he left the show "Two and a Half Men." Despite his erratic behavior and uncanny ability to hate on everyone, he still manages to receive projects that always seem apt to his character.

Still, there is always hope for thing to get better, and this applies to former Brat Pack member Charlie Sheen. Hopefully, like his fellow Brat Pack member Robert Downey, Jr., he manages to turn his life around and eventually become an even bigger star.

Tagscharlie Sheen, anger management, Denise Richards, Brooke Mueller, Two and A Half Men