Charlie Sheen (born Carlos Irwin Estevez, September 3, 1965, New York City. New York) is an American film and television actor, known in part for his role in (and firing from) Chuck Lorre's Two and a Half Men. He starred in the FX sitcom Anger Management. On June 28, 2012 the first episode reached 5.7 million viewers, making it the most watched cable television sitcom premiere ever, and causing FX to agree to an unprecedented 180-episode deal though only 90 episodes were filmed. The final episode was 22 Dec 2014.
In the final episode of "Two and a Half Men", Chuck Lorre has him or rather his character killed off.
In The Big Bang Theory, Sheen made a cameo appearance in "The Griffin Equivalency", where Rajesh Koothrappali had a brief encounter with him at The Cheesecake Factory. Raj tells him that he is going to be in People magazine and Charlie tells him to call after he is on the cover.
Jake Harper also mentioned the show and the catchphrase "Bazinga" in one episode therefore the actor exists in TBBT universe while the show is broadcast in the "Two and a Half Men" universe. .
- Charlie Sheen on Wikipedia